Final Exam Winter 2022 - Google Chrome X mylab.pearson.com/Student/PlayerTest.aspx?testld=241544758¢erwin=yes Statistics for Analytics II Spring/Summer 2022B Neda Rostami 08/17/22 6:47 PM E Test: Final Exam Winter 2022 Question 30 of 30 This test: 30 point(s) possible This question: 1 point(s) possible Submit test Enter your search term An organisation surveyed 800 homes at random in each of several countries and found that the number of rooms per person in one of the countries was 2.5 on average, whereas for the average for all countries surveyed was 1.4. Assume Question list K that the standard deviation for that particular country was 1.6 rooms. Would you say that homes in this country have more than 1.4 rooms per person on average? State your hypotheses and calculate a P-value. State conditions and assumptions clearly, and indicate whether they are likely to be true. Use a significance level of a = 0.05. O Question 20 Let u be the population mean number of rooms per person in the given country. Determine the null and alternative hypotheses. Question 21 Ho : H V 14 HA: H V 1.4 O Question 22 The test statistic is. (Round to two decimal places as needed.) O Question 23 The P-value is. (Round to three decimal places as needed.) Draw a conclusion. O Question 24 Since the P-value is the value of a, the null hypothesis. There is evidence to conclude that the number of rooms per person is greater than 1.4. Question 25 State the assumptions and indicate whether they are likely to be true. Select all necessary and correct statements below. A. The Independence Assumption has not been satisfied because the 10% Condition and/or the Randomization Condition are/is not true or verifiable for these data with the given information. It must be assumed that the individuals in the sample are independent. O Question 26 OB. The Normal Population Assumption has been satisfied because the Nearly Normal Condition is true for these data. C. The Independence Assumption has been satisfied because the 10% Condition and the Randomization Condition are both true for these data. D. The Normal Population Assumption has not been satisfied because the Nearly Normal Condition is not true or verifiable for these data with the given information. It must be assumed that the data in the sample come from a O Question 27 population that follows a Normal model. Question 28 Activate Windows Time Remaining: 82. 13. 24 Submit test Type here to search O X 25.C Mostly cloudy ~ 9 7 () ENG 6:44 PM 99+ 2022-08-17