Homework 10.docx - Homework 10 Task 1 Read the options to...

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Homework 10 / Task 1 Read the options to question 1 carefully and choose the correct choice. 1. Which of the following is false? (4 points) a. We use two sided t-test when we are checking if the averages of the two variables are different, with no prior assertion on which is larger of the two. b. We use one sided t-test when we are checking if the averages of the two variables are different, but now we are more specific. We want to show that X has a significantly larger/smaller average than Y. c. We need to perform the averages of the two variables data set when one sided t-test is chosen in order to see if the averages are consistent with the claim. d. The one sided t-test and two sided t-test performed on the same data sets should return the same P -value. e. The P -value excel returns on a one sided t-test is incorrect and meaningless if the averages computed on the data sets are inconsistent with the claim. Correct Answer
Homework 10 / Task 2 Open Wages-HW9 data. Test if there is a significant difference between men’s and women’s wages. Answer questions 2 to 5. (Pick the closest answer) 2. What test did you perform? (4 points)
3. What is the P -value? (4 points)
b. 1.3694E-06 Correct Answer c. 6.84701E-07 d. None of these 4. What is the Statistical interpretation? (4 points)

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