The mean waiting time at the drive-through of a fast food restaurant from the time an order is placed to the time the order is received is 87.6 seconds. A manager devises a new drive-through system that she believes will decrease wait time. As a test, she initiates the new system at her restaurant and measures wait time per 10 randomly selected orders. The wait times are shown in the table below:

109.4

69.1

57.6

74.7

64.5

81.3

95.5

84.5

71.3

82.1

C) Find the test statistic: t0 = ___.

__________

D) Fine the P-Value: P-value = ___.