Question 13 4 pts Choose the right answer: a) A certain hypothesis was tested at level of significance 0.05. If p-value was 0.06 we should [ Select ] b) A certain hypothesis was tested at level of significance 0.05. If p-value was 0.009 we should [ Select ] c) If the test statistic is -2.09, critical number is -2.8, we should [ Select ] d) If the test statistic is 2.09, critical number is +2.08, we should [ Select ] Question 14 4 pts It is to determine if the average salary in a certain district is $40000. It was tested with the following hypotheses: Hou = 40000 H1 / # 40000 Suppose that the true average salary in the district is $40000 and the null hypotheses was rejected. Would you say that a) The conclusion was correct b) The conclusion was incorrect and type I error was made c) The conclusion was incorrect and type II error was made. OC Ob O a Question 15 4 pts a) Fill in the missing value in the table in such way that the correlation coefficient between x and y is 1. X 5 8 1 3 11 17 3 b) Fill in the missing value in the table in such way that the correlation coefficient between x and y is -1. X 2 -4 5 -7 .6 12 -15