Consider the following hypothesis test:

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Target Exam

CUET

Subject

-- Mathematics - Section B2

Chapter

Probability Distributions

Question:

Consider the following hypothesis test:

$H_0: \mu ≤ 20$
$H_1: \mu>20$

A sample of 81 produced a sample mean of 20.55. The population standard deviation is 3. The value of the test statistic is:

Options:

1.85

-2.05

-2.15

1.65

Correct Answer:

1.65

Explanation:

The correct answer is Option (4) - 1.65