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Amazon would like to compare the shipment of orders with the geographic distribution ot the US population. According to the latest statistics by the ".5. Bureau of the Census. 20% of the population lives in the Northeast, 24% in the Midwest. Elli: in the SnouthI and Ei in the West. Listed helolnlI is a breakdown of a sample of m orders randomly selected from those shipped last month. At the 1 signicance lerII.Irel,I does the distribution of the shipment reflect the population? Northeast 5! Midwest 1M South 155 West 13 To\" am what is the computed statistic for the test? [Type the numeric answer in the box] A study regarding the relationship between age and the amount of pressure sales personnel feel in relation to their jobs revealed the following sample information. Iu'II'hieh is the co neat way of stating the null hypothesis ? a. H1:Age and JobPressure are Independent l:r. H1:Age and Job Pressure are not Independent :2. HD: Age and JobPressure are Independent d. H: Age and JobPressure are not Independent {Type the letter corresponding to you your answer in the box] Amazon would like to compare the shipment of orders with the geographic distribution of the US population. According to the latest statistics by the U.S. Bureau of the Census, 20% of the population lives in the Northeast, 24% in the Midwest, 30% in the South, and 26% in the West. Listed below is a breakdown of a sample of 400 orders randomly selected from those shipped last month. At the .01 significance level, does the distribution of the shipment reflect the population? Region Frequency Northeast 68 Midwest 104 South 155 West 73 Total 400 What is the critical value for the test? (Type the numeric answer in the box) Answer:Amazon would like to compare the shipment of orders with the geographic distribution of the US population. According to the latest statistics by the U.S. Bureau of the Census, 20% of the population lives in the Northeast, 24% in the Midwest, 30% in the South, and 26% in the West. Listed below is a breakdown of a sample of 400 orders randomly selected from those shipped last month. At the .01 significance level, does the distribution of the shipment reflect the population? Region Frequency Northeast 68 Midwest 104 South 155 West 73 Total 400 If the null hypothesis holds true, what is the expected number of orders that will come from the West out of the 400 orders? (Type the numeric answer in the box) Answer:Amazon would like to compare the shipment of orders with the geographic distribution of the US population. According to the latest statistics by the ".5. Bureau oi the Census. 21155 oi the population Iirres in the Northeast, 24% in the Midwest. Elli- in the SouthI and 2E9; in the West. Listed belolniI is a breakdown of a sample of ion orders randomly selected from those shipped last month. At the #1 signicance lelirel,I does the distribution ot the shipment reflect the population? Northeast 53 Midwest 1M South 155 West 3'3 To\" 400 Based on your statistical test, which conclusion is correct? Use a 0.01 signicance leyel. a. Reject Hg and conclude that the distribution of sales is consistent with the geographic distribution of the population. b. Fail to reject Hg and conclude that the distribution of sales is consistent with the geographic distribution of the population. c. Reject H0 and conclude that the distribution of sales is not consistent with the geographic distribution of the population. d. Fail to reject Hg and conclude that the distribution of sales is not consistent with the geographic distribution of the population. [Type the letter corresponding to you your answer in the box] Amazon would Iilre to compare the shipment of orders with the geographic distribution ot the US population. According to the latest statistics by the ".5. Bureau ot the Census. 211% ot the population litres in the Northeast, 24% in the Midwest. 30% in the South. and 26% in the Ill'll'est. Listed belour is a breakdown of a sample of son orders randomly selected from those shipped last month. At the J11 signicance lerrel,I does the distribution ot the shipment reect the population? Northeast 6! Midwest 1M South 155 West T3 Tot coo IIr'lr'hat is the appropriate null hypothesis for carrying out the statistical test? a. Hg: The distribution of orders follows the geographic distribution of the population b. Hg: The distribution of orders does not follow.I the geographic distribution of the population c. H1: The distribution of orders follows the geographic distribution of the population d. H1: The distribution of orders does not follow.I the geographic distribution of the population [Type the letter corresponding to you your answer in the box] A study regarding the relationship between age and the amount of pressure sales personnel feel in relation to their jobs revealed the following sample information. To convert the observed frequencies in the table above into relative frequencies, which of the following is the correct wag.r of computing the percentages? a. Row percent [each row adds up to 100 percent} b. Column percent {each column aclcls up to 1m percent} c. Total percent [all the percentages add up to 100 percent) d. Either one of the above is correct [Type the letter corresponding to you your answer in the box] A study regarding the relationship between age and the amount of pressure sales personnel feel in relation to their jobs revealed the following sample information. Suppose you were interested in determining the variables age and the amount of pressure sales personnel feel in relation to theirjobs are related, the appropriate statistical procedure in performing the analysis of the situation described above is: a. Chi-square Goodness-oft Test b. Test of a Variance c. Testing Whether Two Nominal Variables are Independent d. None of the above {Type the letter corresponding to you your answer in the box] A study regarding the relationship between age and the amount of pressure sales personnel feel in relation to their jobs revealed the following sample information. At the .05 significance level, can we conclude there is a relationship between the variables age and the amount of pressure sales personnel feel in relation to theirjobs? llil'Iil'hat are the variables in the problem? 3. Age b. Job Pressure c. Low Medium High cl. (b) and [c] e. [a] and [b1 {Type the letter corresponding to you your answer in the box] A study regarding the relationship between age and the amount of pressure sales personnel feel in relation to their jobs revealed the following sample information. Age (years) Low Medium High Less than 25 25 17 20 25 up to 40 60 47 41 40 up to 60 62 69 55 60 and older 35 40 43 Using the p-value as the decision rule, at a significance level of 0.05, which of the following is the correct interpretation of the statistical conclusion? a. The variables age and the amount of pressure sales personnel feel in relation to their jobs are independent b. The variables age and the amount of pressure sales personnel feel in relation to their jobs are not independent C. The Age levels are independent d. The Age levels not independent e. None of the above (Type the letter corresponding to you your answer in the box)
