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a.Given the following data compute the t -test. -test: DrugNo Drug Mean:2845 s 2 :2548 n:1515 s:56.93 b. What are the degrees of freedom? c.

a.Given the following data compute the t-test. -test:

DrugNo Drug

Mean:2845

s²:2548

n:1515

s:56.93

b. What are the degrees of freedom?

c. What is the critical value?

d. Should we accept or reject the null hypothesis?

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