Difference: 30.075 2.893
Here are some data for blood sugar levels in 12 people before and after fasting. Calculate the correct test statistic to use with these data:
Volunteer 1 2 3 4 5 6 7 8 9 10 11 12
Before 109.2 153.9 193.7 140.6 133.3 146.1 156.4 109.8 170.5 162.1 197.8 114.2
After 75.5 125.0 162.3 105.8 105.7 117.8 126.3 77.4 140.9 129.9 171.9 88.2
Difference 33.7 28.9 31.4 34.8 27.6 28.3 30.1 32.4 29.6 32.2 25.9 26.0
And some summary statistics you might find helpful: s
Before: 148.97 29.77
After: 118.89 30.58
Difference: 30.075 2.893
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