Population monthly expenditure mean

Reference no: EM13104353

Suppose a t- test is being applied to find out if the population monthly expenditure mean is less than $212. The level of significance selected is 1% and 26 accounts are sampled. What is the critical value?

a. 2.580

b. -2.485

c. -1.960

d. -2.787

e. None of these

Reference no: EM13104353

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