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The singular form of the word "dice" is "die". Tom was throwing a six-sided die. The first time he threw, he got a three; the second time he threw,...
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Hi- need your help in responding to a discussion post on the topic of correlation: Some results that I can think of that applies not only to my
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Determine whether the following situations represent a right, left or two-tailed test: In 1997, 43% of Americans 18 years or older participated in...
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If a company took 300 hours to assemble their first unit and 200 hours to assemble the second unit, we might it to take:
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Question: A sample proportion is calculated from a sample size of 391. How large of a sample would we need in order to decrease the standard error by...
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BCF 130: You have been asked to determine the goodness of fit for our power equation. The sum of squared erros (sse) is 0.
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Towers Perrin, a New York human resources consulting firm, conducted a survey of 1100 employees at medium-sized and large companies to determine how
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For a normal distribution, a. What z-score separates the highest 25% from the rest of the scores? b. What z-score separates the highest 60% from the
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There has been a great deal of debate about how the Constitution should be interpreted. "Strict constructionists" take the position the Constitution...
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the average weight of adult men is 172 pounds with a standard deviation of 29 pounds.
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The following are worth 5 points each and are based on a normal distribution of scores with the mean equal to 90 and the standard deviation equal to...
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The 92 million Americans of age 50 and over control 50 percent of all discretionary income ( AARP Bulletin , March 2008).
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We have run a single replication of a very large factorial design (e.g., 20 factors with 3 levels each). What is a way we can try to determine what
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A filling process is supposed to fill jars with 16 ounces of grape jelly. Specifications state that each jar must contain between 15.96 ounces and...
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I need answer: A researcher is testing a hypothesis of a single mean. The critical z value for = .05 and a two-tailed test is +1. The observed z...
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the following table shows the results of a screening test hypothesized to detect persons at risk for side effects of a new cosmetic surgery side
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STAT 1000 Daily water intake (including water used in drinks such as coffee, tea and juice) for Canadian adults follows a normal distribution with...
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I need answer In a two-tailed hypothesis about a population mean with a sample size of 100 and = 0.05, the rejection region would be _________. z ...
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Two variables, X and Y assume the values X1=2, X2=-5, X3=4, X4=-8 and Y1=-3, Y2=-8, Y3=10, Y4=6, respectively.
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Suppose a multivariate regression resulted in R2 = 0.42. What can we say about the sum of squares in this regression?
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Frequency Distribution - Quantitative Listing Price lower upper 500,000 600,000 700,000 800,000 900,000 1,000,000 1,100,000 1,200,000 1,300,000
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Please find the attached file and answer the question as per requirement:
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We have observations on random variables y, x and z, and we are interested in the relation between x and y only. For the results to be reliable, we...
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An aerospace company has submitted bids on two separate federal government defense contracts. The company president believes that there is a 39%...
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Consider the following data on distances traveled by people to visit the local amusement park.
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a research project, the researcher normally has a research question in mind and then develops a research methodology.
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Sketch a scatter plot that could represent data from each of the following. Label the axes to indicate the independent and dependent...
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Transrail is bidding on a project that it figures will cost $400,000 to perform. Using a 25% markup, it will charge $500,000, netting a profit of...
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balances owed by customers holding MasterCard. The standard population deviation is estimated to be $300.
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Determine the values of z for which the null hypothesis 1 - 2 = 0 would be rejected in favor of the alternative hypothesis 1 - 2 0. Use = . z -...
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Can u tell me how the rejection region differs in simple hypothesis and one -side?
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What is the new critical value you will use for this calculation?
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You are interested in on-the-job anxiety among police officers and want to empirically test if the shift they work influences their anxiety.
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In a random sample of 40 people who work in Vancouver, the average commute time for people who use an active method of transportation (bike or walk)...
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Masterfoods USA states that their color blends were selected by conducting consumer preference tests, which indicated the assortment of colors that
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Assignment 1: Bottling Company Case Study Due Week 10 and worth 140 points Imagine you are a manager at a major bottling company.
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In a recent news report, a study said that it found that 56% of all university business students had cheated in some way.
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Number of students present in a class of STAT201 on different days of the week is given in the following table:
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Norm Distribution: When comparing data from different distributions, what is the benefit of transforming data from these distributions to conform to
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Assume you own a company and you are the network administrator for your company. Mike Nash is a member of the Administration group, and Nate Sun is a...
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You find you have positive skew in your dependent variable. What is the first way to try to fix it?
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Is the statement H 0 : = 10 a valid null hypothesis?
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All Canadians have a government funded health insurance which pays for any medical care they require.
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Consider the problem of a firm deciding between two applicants. Make the following assumptions: Two types of unemployed workers:
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of a group of patients having injuries, 28% visit both a physical therapist and a chiropractor and 8% visit neither. Say that the probability of...
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Problem 15 in Chapter 16 described a study examining the effectiveness of a 7-minute screen test for alzheimer's disease.
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Let x be the damage incurred(in $) in a certain type of accident during a given year. Possible X values are 0, 1000, 5000, and 10000, with...
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. . . X E17 X fx A B C D E F G H K Degree Years to Completion Starting Salary Job Satisfaction (0 to 5) 2 Associate's $44,000 LO 3 Associate's co
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Garfield Left Felix Right Hobbes Left Catbert Left Bill Right Scratchy Right Stimpy Right Attila Left
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assigned to a beat at night. (1 pt.67 between number of charges and number of months from arrest to adjudication. (1 pt.
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