A librarian is interested in finding the average number of pages per book in their library. There are 16 sections of boo

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A librarian is interested in finding the average number of pages per book in their library. There are 16 sections of books at this library. The librarian organized all books in alphabetical order, randomly selected a book and then selected every 43th book after that book until they have sampled 270 books. The librarian then calculates the average number of pages per book from the selected books. Which sampling technique is used? Select one: O This is simple random sampling. This is a census. O This is systematic sampling. O This is cluster random sampling. O This is stratified random sampling.
To determine the distribution of public support of each political party in western Canada, researchers select random samples in monton Vancouver and on ask them which one of four political parties (Conservative, NDP, Liberal, or Other) they support. An appropriate hypothesis test is carried out to determine the proportions of people supporting each political party are different between cities. Suppose the test statistic is 153, what are the p value range and condition at the significance level? Select one: O 0.01 < P-value < 0.025, there is sufficient evidence to conclude there are some differences between the proportions of people supporting each political party between cities. O 0.025 < P-value < 0.05, there is sufficient evidence to conclude there are some differences between the proportions of people supporting each political party between cities. O 0.005 < P-value < 0.01; there is insufficient evidence to conclude there are some differences between the proportions of people supporting each political party between cities. O 0.025 < P-value < 0.05; there is insufficient evidence to conclude there are some differences between the proportions of people supporting each political party between cities. O 0.01 < P-value < 0.025; there is insufficient evidence to conclude there are some differences between the proportions of people supporting each political party between cities.
Dion 9 To determine the distribution of public support of each political party in western Canada, researchers select random samples in Edmonton, Vancouver and Winnipeg, and ask them which one of four political parties (Conservative, NDP, Liberal, or Other) they support. An appropriate hypothesis test is carried out to determine whether the proportions of people supporting each political party are different between cities. Suppose the test statistic is 15.3, what are the P-value range and conclusion at the 1% significance level? Select one: O 001 < P-value < 0.025; there is sufficient evidence to conclude there are some differences between the proportions of people supporting each political party between cities O 0.025 < P-value < 0.05; there is sufficient evidence to conclude there are some differences between the proportions of people supporting each political party between cities. O 0.005 < P-value < 0.01; there is insufficient evidence to conclude there are some differences between the proportions of people supporting each political party between cities. O 0.025 < P-value < 0.05, there is insufficient evidence to conclude there are some differences between the proportions of people supporting each political party between cities. O 0.01 < P-value < 0.025; there is insufficient evidence to conclude there are some differences between the proportions of people supporting each political party between cities.