QUESTION 7Provide an appropriate response.The weekly salaries (in dollars) of randomly selected employees of a company are summarized in the boxplot below. Based on the boxplot, is a large sampnecessary to conduct a hypothesis test about the mean salary? If so, why?510310 70512253700O Yes; data contain outliers.No; data appear to be normally distributed.O Yes; data do not appear to be normally distributed but skewed right.O Yes; data do not appear to be normally distributed but skewed left.

Answered: Image /qna-images/answer/d93f6f40-c16a-4cea-95d1-ad53c4ad4804.jpg

Answered: QUESTION 7 Provide an appropriate…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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B. A sample data has a distribution that has a single mode and is strongly positively skewed. An analyst computes three measures of location for this data; the mean, the median and mode. (i) State the largest of these three location measures. (ii) Suggest, with a reason, which would be the best measure of location.
The type of household for the U.S. population and for a random sample of 411 households from a community in Montana are shown below. Type of Household Percent of U.S. Households Observed Number of Households in the Community Married with children 26% 96 Married, no children 29% 118 Single parent 9% 37 One person 25% 95 Other (e.g., roommates, siblings) 11% 65 Use a 5% level of significance to test the claim that the distribution of U.S. households fits the Dove Creek distribution. (a) What is the level of significance? State the null and alternate hypotheses. H0: The distributions are the same.H1: The distributions are the same. H0: The distributions are the same.H1: The distributions are different. H0: The distributions are different.H1: The distributions are the same. H0: The distributions are different.H1: The distributions are different. (b) Find the…
The results: A. Are, or B. Are not significantly: A. High, or B. Low so there: A. is, or B. is not
Q个4 3 of 6 200% 5.) If the number 12.3 were added to the dataset below, which statement best describes how its mean and median would change? 70.1, 72.3, 75.6, 78.9, 81.0, 83.8, 84.5, 91.2 A.) The mean and median both decrease, but the mean decreases more. B.) The mean and median both decrease, but the median decreases more. C.) The median doesn't change, but the mean decreases. D.) The mean doesn't change, but the median decreases. 021 Illuminate EducationTM, Inc. ? XP OCa 29
a) Calculate the correlations between complaints and sales and complaints and orders. Comment on the results.b) Briefly discuss the strengths/weaknesses of correlation analysis usingacademic sources.c) Below are histograms of data sets following either pareto, normal or uniform distribution. Identify which distribution most likely generated each histogram and justify your choice. Additionally, state whether more data would be required for confirmation of these decisions.
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2. A coach gave her team a test on sit-ups completed in one minute. Using the data collected, the coach constructed the following frequency distribution: Scores 90-99 80-89 70-79 60-69 50-59 40-49 30-39 20-29 10-19 0-9 a. 9 12 17 13 10 7 3 1 What is the percentile score for a raw score of 38? Show your work. b.) The coach wants to take the top 20% of the team and train them for the World Sit-up Championships. What raw score cut-off would be used to choose the team? Show your work. Note: you can't have part of a person on the team.
A sales analyst wants to determine whether there is a difference in the mean monthly sales of a company's four sales regions. Several salespersons from each region are randomly selected and they provide their sales amount (in thousands of dollars) for the previous month. Using a 1% significance, can we conclude at least one region is different on average? North East South West 27 28 16 26 38 23 22 29 19 | 17 16 26 29 25 25 34 26 23 What is the factor variable? Region What is the response variable? Sales Amount Test statistic: P-value:

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