Determine the critical value for a left-tailed test of a population mean at the α =...
Determine the critical value for a left-tailed test of a population mean at the α = 0.05 level of significance based on a sample size of n = 35.
A. 1.691
B. -2.728
C. 1.690
D. -1.691
Homework Answers
Solution :
Given that,
This is the left tailed test
sample size = n = 35
Degrees of freedom = df = n - 1 = 35 - 1 = 34
= 0.05
t,df = t0.05,34 = -1.691
critical value = -1.691
option D. is correct
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