test H0​: μ=40 versus H1​: μ<40​, a random sample of size n=25 is obtained from a population that is known to be normally distributed. If x=37.1 and s=14.8​, compute the test statistic of t0 and If the researcher decides to test this hypothesis at the α=0.1 level of​ significance, determine the critical​ value.

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o test

H0​:
μ=40

versus

H1​:
μ<40​,

a random sample of size

n=25

is obtained from a population that is known to be normally distributed.

If

x=37.1

and

s=14.8​,

compute the test statistic of t0 and If the researcher decides to test this hypothesis at the

α=0.1

level of​ significance, determine the critical​ value.

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