A test of sobriety involves measuring the subject\'s motor skills. Twenty random

Question

A test of sobriety involves measuring the subject's motor skills. Twenty randomly selected sober subjects take the test and produce a mean score of 41.0 with a standard deviation of 3.7. At the 0.01 level of significance, test the claim that the true mean score for all sober subjects is equal to 35.0.

What type of hypothesis test should be used toTest the hypothesis, do not solve.

Proprtions test (1-prop-ztest)

?2 Test for Independence

Means Test (1 sample t-test)

?2 Goodness of fit Test

Analysis of Variance (ANOVA)

Test for Correlation and Regression

Explanation / Answer

Means Test (1 sample t-test)

Since, sample size is less than 30 and population standard deviation is not known.

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