Mathematics, 02.04.2020 18:41, ling95
If my goal is to test whether there is any difference in grocery prices between Piggly Wiggly and Publix, which among the following statement(s) regarding study design, data collection and hypothesis test is/are correct?a. We have to make sure grocery items sampled from Piggly Wiggly are different from grocery items sampled from Publix. b. We have to make sure grocery items sampled from Piggly Wiggly are the same with grocery items sampled from Publix. c. The more data we collect, the better; because we can use 2-sample z test instead of 2-sample t test if the sample size is greater than 30.d. We should use paired t test. e. We should use 2-sample t test with unequal standard deviation. f. We should use 2-sample pooled-t test (equal standard deviation).
Answers: 3
Mathematics, 21.06.2019 13:00, jiskd
Do not comment if you aren’t going to . create a real-life situation and create a system and show how it might be modeled algebraically with a system of equations (or inequalities) show all work include a few sentences explaining the situation, your variables of choice and what each represents, and how you would set it up and solve it algebraically. !
Answers: 1
Mathematics, 22.06.2019 00:30, jjjones2233
The mean average cost of standard room per night at a hostel is ? 20.60. therefore, how much does a standard room cost per night at night-time rest days?
Answers: 1
If my goal is to test whether there is any difference in grocery prices between Piggly Wiggly and Pu...
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