We have 5 people who take cereal with no cinnamon and measure blood glucose after eating.

One week later the same people take cereal with cinnamon and measure blood glucose after eating.

Results are:

A B C D E

Reading(no cinnamon) 8.3 12.4 6.4 9.0 16.8

Reading(cinnamon) 7.9 11.8 6.4 8.8 14.9

Differences .4 .6 0 .2 1.9

Sample mean of rows 1,2,3 are 10.98, 9.96, .62 respectively,

Standard deviations of rows 1,2,3 are 4.098, 3.393 0.750 respectively.

Perform a test at = .05 to see if cinnamon helps to lower glucose level. (State H0 and Ha. Find

test statistic. Find critical value, Decide on rejection or not. State conclusion in symbols and words

related to the problem.