Comparing Pipeline Versus Rail Transportation Of Crude Oil In The United States.

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Paper topic

The market for domestic crude oil has continually grown in the united states, this requires reliable and safe methods of transportation. The objective of this paper is comparing safety and reliability between rail transport and pipeline transport. Is one mode of transportation safer and more reliable than the other? This is an important question for domestic companies as more and more crude oil is transported every year.

This paper should be 3-5 pages in length and is strictly adherent to APA formatting.Question 2
I’m studying for my Statistics class and don’t understand how to answer this. Can you help me study?

Study 1: A marketing manager for a chain of 64 small bakeries was interested in how different special offers affected sales. 20 of the bakeries were randomly chosen to have a special offer where customers could purchase three loaves of bread for the price of two. 20 of the remaining bakeries were randomly selected to sell loaves of bread with a 20% discount. The remaining bakeries did not offer any discount. After a week, the total number of loaves of bread sold at each bakery was recorded.

Study 2: A road safety researcher was interested in the effects of alcohol on the driving ability of young adults. A sample of 50 young adults was obtained and each was randomly allocated to either an alcohol group or a no alcohol group. The members of the alcohol group each drank 700ml of beer then did a 10 minute session on a driving simulator. The members of the no alcohol group just did a 10 minute session on a driving simulator. For each member, the driving simulator reported the number of errors made during their 10 minute session.

(a)Answer the following questions FOR EACH study:

(i)Identify the groups that are being compared. (I.e., what treatments or factors of interest are being compared?) DO NOT also say what is being measured to make the comparison

– you do this in (ii).

(ii)What is being measured to compare these groups? ONLY describe the variable being measured. DO NOT also mention the groups being compared – you do this in (i).

(iii)Would you describe the study as an experiment or an observational study? Referring to the study design, justify your answer. (I.e., what part of the study design led you to this conclusion?)

[6 Marks total: 3 marks for each study]

(b)For Study 2, young adults had different drinking habit, with some being heavy drinkers, some

being moderate drinkers and some being mild drinkers. Describe how we could adjust the study

design to take advantage of this extra knowledge.[2 Marks]

(c)Could the results of a study such as Study 1 be used to argue that any overall difference in the number of loaves sold is as a result of the type of offer given to the shop? Briefly justify your answer.

[2Marks]

(d)Did Study 1 have a control group? If so briefly describe the control group?

[1 Mark]Hello there, I need some help with this short English 102 (Rhetoric and Composition) assignment. The one and only requirement is to have the book: David and Goliath by M. Gladwell.: nursing assignment help
I’m studying for my English class and don’t understand how to answer this. Can you help me study?

Based on Chapter 6 of the book David and Goliath by Malcolm Gladwell:

In chapter 6 of David and Goliath, Gladwell shows us how Davids can sometimes outsmart Goliaths with some good old fashioned trickery. He tells us about the trickster hero in folktales, particularly in those of American slaves, and suggests that the outcomes of the Civil Rights movement were inspired by and parallel to the outcomes of many of those stories. Dr. King and his followers, Gladwell explains, begged to not be thrown into the briar patch — but of course the briar patch is exactly where they wanted to be.

A big concern about the events in Birmingham, though, is that Wyatt Walker used children as a key part of the protest and turned them into likely police targets. Walker and King understood how this would look to the rest of the world once Connor and his police started pushing back: it would look like police attacking and arresting children. To the rest of the world, the white Birmingham police force would appear to be unfair and unmerciful, and as a result, more people would soon be on Dr. King’s side of the movement.

As Gladwell asks on page 186, “Does Wyatt Walker’s behavior make you uncomfortable?” What happened in Birmingham is considered a major turning point in the Civil Rights movement, but do the ends justify the means? Is it right to use children on the front lines for your cause, even if your cause is noble and just? Was it right for Walker to take on the role of the trickster hero if it meant involving children and placing them in harm’s way?

Obviously, there is no clear answer here, but I would like you to argue your position on this issue using support from Gladwell’s book and anything you already know about the American Civil Rights movement., Gladwell shows us how Davids can sometimes outsmart Goliaths with some good old fashioned trickery. He tells us about the trickster hero in folktales, particularly in those of American slaves, and suggests that the outcomes of the Civil Rights movement were inspired by and parallel to the outcomes of many of those stories. Dr. King and his followers, Gladwell explains, begged to not be thrown into the briar patch — but of course the briar patch is exactly where they wanted to be.

A big concern about the events in Birmingham, though, is that Wyatt Walker used children as a key part of the protest and turned them into likely police targets. Walker and King understood how this would look to the rest of the world once Connor and his police started pushing back: it would look like police attacking and arresting children. To the rest of the world, the white Birmingham police force would appear to be unfair and unmerciful, and as a result, more people would soon be on Dr. King’s side of the movement.

As Gladwell asks on page 186, “Does Wyatt Walker’s behavior make you uncomfortable?” What happened in Birmingham is considered a major turning point in the Civil Rights movement, but do the ends justify the means? Is it right to use children on the front lines for your cause, even if your cause is noble and just? Was it right for Walker to take on the role of the trickster hero if it meant involving children and placing them in harm’s way?

Obviously, there is no clear answer here, but I would like you to argue your position on this issue using support from Gladwell’s book and anything you already know about the American Civil Rights movement.Statistical inference: nursing essay help
I’m working on a Statistics exercise and need support.

A hospital wants to compare the mean length of stay of its patients with the nation-wide (population) mean. Suppose that the nation-wide mean = 3 days, with a standard deviation = 1.5 day. The hospital samples N = 10 of its patients at random and finds that they stayed has mean = 4.3 days. Does mean hospital stay length for patients at this hospital differ from the nation-wide mean?
Conduct a statistical test to answer this question. Use α = .05
Write down the null and alternative hypotheses using statistical symbols. Explain your symbols
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What are the critical values?
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What is the test statistic? Show your calculations
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TURN TO NEXT PAGE
What is your conclusion?
______________________________________________________________________________
Report the results in APA style
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Calculate the 95% confidence interval of mean. What does it mean? Show your calculations
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A car company claims that their new car model has 31 mpg (miles per gallon) on local traffic. A researcher in Consumer Reports randomly selects 8 of this cars from the local car dealerships and test their gas mileage on local traffic in NYC. The mean mpg is 29, with SD = 2.78. The researcher wants to claim that the actual mean mpg is less than what the company claims.

Conduct a statistical test to answer this question. Use α = .01
Write down the null and alternative hypotheses using statistical symbols. Explain your symbols
______________________________________________________________________________

______________________________________________________________________________

______________________________________________________________________________

______________________________________________________________________________
What are the critical values? Show your calculations
______________________________________________________________________________
What is the test statistic? Show your calculations
______________________________________________________________________________

______________________________________________________________________________
What is your conclusion?
______________________________________________________________________________

Report the results in APA style

______________________________________________________________________________

______________________________________________________________________________

______________________________________________________________________________

Can the reporter claim that the actual mean mpg is less than what the company claims (31 mpg)? YES or NO?

______________________________________________________________________________Module 24 – ANOVA (12 of 14 discussion 1) – Mod 24 Group 3
I’m working on a Statistics question and need guidance to help me study.

Module 24 – ANOVA (12 of 14 discussion 1) – Mod 24 Group 3
From 2020SP-MATH-160-6897

33 unread replies.33 replies.

Learn by Doing

The purpose of this activity is to give you guided practice in carrying out the ANOVA F-test using StatCrunch.

Some features of this activity may not work well on a cell phone or tablet. We highly recommend that you complete this activity on a computer.

Here are the directions and grading rubric for the Learn by Doing discussion board exercises.

A list of StatCrunch directions is provided at the bottom of this page.
Context
Critical flicker frequency (CFF) and eye color

Computer screens and fluorescent bulbs flicker. If the frequency of the flicker is below a certain threshold, the eye detects the flicker, and it is annoying!

Different people have different flicker “threshold” frequencies (known as the critical flicker frequency, or CFF). The mean critical threshold frequency is important for product manufacturing as well as tests for ocular disease.

In 1973, researchers conducted a study to answer the following question.

Research question: Do people with different eye color have different threshold flicker sensitivity?

The 1973 study (“The Effect of Iris Color on Critical Flicker Frequency,” Journal of General Psychology [1973], 91–95) obtained the following data from a random sample of 19 subjects.
Color ThresholdFrequency (CFF) Blue
Brown Green
Brown 26.8 25.7 26.8 26.4
Brown 27.9 27.2 27.9 24.2
Brown 23.7 29.9 23.7 28
Brown 25.0 28.5 25 26.9
Brown 26.3 29.4 26.3 29.1
Brown 24.8 28.3 24.8
Brown 25.7
25.7
Brown 24.5
24.5
Green 26.4
Green 24.2
Green 28.0
Green 26.9
Green 29.1
Blue 25.7
Blue 27.2
Blue 29.9
Blue 28.5
Blue 29.4
Blue 28.3

In this spreadsheet the data is presented in two formats.

Stacked data: The quantitative data is stacked in one column. The first two columns show the data in a stacked format. Each variable is a column (one column for the explanatory variable eye color; one column for the response variable CFF) and each row is an individual. For example, the first row is a brown-eyed person with a CFF of 26.8.

Unstacked data: The quantitative data is distributed across the groups in multiple columns. The last three columns show the same data in an unstacked format. In this format, each column is a group defined by a value of the explanatory variable: one column for blue-eyed people, one column for brown-eyed people and one column for green-eyed people. Each column contains the response values (CFF) for that group.

The format of the data in the spreadsheet affects how we use StatCrunch to analyze it.
Variables
Color: This is the explanatory variable. The categorical data represents the groups we will compare.

CFF (flicker threshold sensitivity): This is the response variable. The quantitative data represents the frequency threshold at which the subject sees the flicker.
Data
Download the flicker (Links to an external site.) datafile. As always, ignore or close any prompt that invites you to login while downloading the file. Upload the datafile to StatCrunch.
Prompt
We will conduct an ANOVA F-test for the variables Color and CFF. The flicker datafile is available in the Data section below. Also, the StatCrunch directions are provided in the list a the bottom of this page.
What are the hypotheses for the ANOVA test? Be sure that you define clearly the parameters. Are the conditions that allow us to safely use the ANOVA F-test met? Explain.Note: To verify conditions, you will need to examine the distribution of CFF scores for each sample (because the samples are small). Use StatCrunch to create side-by-side dotplots, histograms or boxplots (your choice) to examine the distribution of CFF scores for each sample. You can use either data format; choose one (stacked data in the first two columns; or unstacked data in the the last three columns). To create the side-by-side graphs (for either data format) see the list of StatCrunch directions below. Download the StatCrunch output window (your graph), upload it to your Stats-Class folder, and then embed the .png file (your graph) in your initial post. To recall how to complete these tasks, see the list of StatCrunch directions below. You will also need to compare the sample standard deviations. Use StatCrunch to find the summary statistics, means and standard deviations for the comparison groups (select the the appropriate Descriptive Statistics StatCrunch directions from the list below). Then copy and paste the table into your initial post and explain how the rule of thumb for comparing standard deviations is met. Use StatCrunch to carry out the ANOVA F-test (select the appropriate ANOVA StatCrunch directions from the following two options).
Anova F-test Stacked Data Format ORAnova F-test Unstacked Data Format

Copy and paste the output table into your initial post. State your conclusion in context of eye color and mean CFF.
List of StatCrunch Directions
Each link will open in a new window. To return to this discussion, either close the new tab or select the tab for this discussion.
Create Your Stats-Class Folder in Canvas (You only need to do this once.) Purchase StatCrunch (You only need to do this once.) Open StatCrunch Download Excel Data File Upload Excel Data File to StatCrunch Download StatCrunch Output Window (no screenshots; please use these directions) Upload Files into Your Stat-Class Folder in Canvas Embed Pictures in a Discussion Post (no attachments; please use these directions) Side-by-side Boxplots Stacked Data Format Side-by-side Boxplots Unstacked Data Format Side-by-side Dotplots Stacked Data Format Side-by-side Dotplots Unstacked Data Format Side-by-side Histograms Stacked Data Format Side-by-side Histograms Unstacked Data Format Descriptive Statistics Multiple Categories Stacked Data Format Descriptive Statistics Multiple Categories Unstacked Data Format Copy & Paste a StatCrunch Table Anova F-test Stacked Data Format Anova F-test Unstacked Data Format
Grading
To view the grading rubric for this discussion board, click on menu icon (three vertical dots) and then select show rubric. Please note, if viewing the course via the Canvas mobile app the rubric does not appear on this page.
Tips for Success
Did you make a mistake in your initial post? No problem! Just be sure to reply to yourself and note any corrections that need to be made. You are required to reply to two of your peers in this discussion; don’t forget to complete this requirement of the activity or you will lose points. Provide high-quality feedback to your peers.

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