The test used to analyze Part A of MRA6 is a two-tailed test, true or false?

True/False: The test used to analyze Part A of MRA6 is a two-tailed test.

True/False: Part A of MRA6 is a two-sample study.

Step 1:

What are the appropriate hypotheses for H₀ and H_A?

Part A Step 2a:

The confidence level is ___%. (Fill in the blank with numbers only)

Part A Step 2b:

The critical value of t(.05,19) is ____.

Fill in the blank. Answer must be to 3 decimal places. Also, make sure to include the sign: Use + or – or +/-. For example, the answer could be +2.828, -2.828, or +/-2.828

Part A, Step 4:

What is the calculated t-score (t_calc)? ______

Fill in the blank. Answer must be to 3 decimal places. Also, make sure to include the sign: Use + or – or +/-. For example, the answer could be +2.828, -2.828, or +/-2.828

Part A, Step 5:

According to the results of the t-test, should we reject or fail to reject the null hypothesis?

Part A, Step 6:

In a managerial statement (i.e., do not use t-test statistics, use only laymen’s terms), tell me what the hypothesis test result means.

For Part A,

Give a managerial recommendation to Dr. Bechkoff based on the hypothesis test results.