A researcher calculates a chi-square test statistic of 8.56 . At = .05 and = 3, the critical value of the chi-square statistic is 7.81 . What is the appropriate statistical conclusion?
a. Reject the null hypothesis
b. Can't determine; not enough information given
c. Fail to reject the null hypothesis
d. Reject the alternative hypothesis
e. Conclude that the null hypothesis is true
Question 2
Mobile users spend the majority of their time on apps, not on the web.
a. True
b. False
Indicate whether the statement is true or false
Treadmill ¬exercise stress test.
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