Based on the data, did Professor Oliver reject or fail to reject the null hypothesis? Is there support for the directional alternative hypothesis? Provide statistical evidence.

State the appropriate statistical test to run in order to test the null hypothesis.        

State the operational definition for the dependent variable. 

State the independent variable(s) and its levels. 

From the tables given, can Eli tell if there is a statistically significant effect of type of exercise on anxiety? Explain your answer.  

Eli reported that the overall assumption of normality has been met for the difference in anxiety between after engaging in aerobic exercise and after engaging in anaerobic exercise. 

The SPSS statistical output shown is based on an independent t-test. 

With a sample size of 500 for her study, Eli should refer to the Shapiro-Wilk test to determine if the assumption of normality is met.

Do we reject or fail to reject the null hypothesis? Is there support for the directional alternative hypothesis in Question 5? Provide relevant statistical evidence.