# In each of Exercises, we have provided a sample mean, sample standard deviation, and sample size. In each case, use the one-mean t-test to perform the required hypothesis test at the 5% significance level.x = 21, s = 4, n = 32, H0: µ = 22, Ha: µ<22

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In each of Exercises, we have provided a sample mean, sample standard deviation, and sample size. In each case, use the one-mean t-test to perform the required hypothesis test at the 5% significance level.

x = 21, s = 4, n = 32, H0: µ = 22, Ha: µ<22

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Step 1

The test hypotheses are given below:

Null hypothesis:H0: µ = 22,

Alternative hypothesis: Ha: µ < 22.

Critical value approach:

Critical value:

For 5% level of significance,

Step 2

Test statistic:

Step 3

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### Hypothesis Testing 