What is the appropriate statistical tool to be used in order to test the claim? a) z-test b) wilcoxon rank sum test c) chi-square test d) ANOVA 31. The degrees of freedom in the given problem. a) 1 b) 2 c) 3 d) 4 32. What is the critical value to be used in the given problem?
30-35. A study is being conducted to determine whether there is a relationship between jogging and blood pressure. A random sample of 210 subjects is selected, and they are classified as shown in the table. At α = 0.05, test the claim.
30. What is the appropriate statistical tool to be used in order to test the claim?
a) z-test
b) wilcoxon rank sum test
c) chi-square test
d) ANOVA
31. The degrees of freedom in the given problem.
a) 1
b) 2
c) 3
d) 4
32. What is the critical value to be used in the given problem?
a) 5.991
b) 7.815
c) 10.597
d) 15.202
33. What is the chi-square test value?
a) 9.186
b) 0.892
c) 2.394
d) 4.756
34. If we will continue the process of hypothesis testing, which of the following is true?
a) test value > critical value, then the decision is to not reject the null hypothesis.
b) test value > critical value, then the decision is to reject the null hypothesis.
c) test value < critical value, then the decision is to not reject the null hypothesis.
d) test value < critical value, then the decision is to reject the null hypothesis.
35.Which of the following is true in interpreting the results?
a) Since the null hypothesis is rejected then there is enough evidence to say that there is a significant relationship between jogging and blood pressure.
b) Since the null hypothesis is rejected then there is not enough evidence to say that there is a significant relationship between jogging and blood pressure.
c) The decision is to not reject the null hypothesis then there is not enough evidence to say that there is a significant relationship between jogging and blood pressure.
d) The decision is to not reject the null hypothesis then there is enough evidence to say that there is a significant relationship between jogging and blood pressure.
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