Value of the t score
What is the value of the t score for a 98% confidence interval if we take a sample of size 22?
A. 2.845
B. 2.518
C. 2.861
D. 2.528
E. 2.508
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According to the Coffee Research Organization the typical American coffee drinker consumes an average of 3.1 cups per day. A sample of 12 senior citizens revealed they consumed 3.4 cups per day with a standard deviation of 6.7. At the 0.05 signifi
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