9/7/21	73
9/14/21	68.1
9/21/21	70.7
9/28/21	67.4
10/5/21	68
10/12/21	68.7

9/7/21	65.9
9/14/21	67
9/21/21	68
9/28/21	62.6
10/5/21	64.8
10/12/21	65.7

Table 1 and 2. Find margin of error and critical value.