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eimsori [14]
2 years ago
7

A sample of 25 provided a sample mean x = 14 and a sample standard deviation s = 4.32.

Mathematics
1 answer:
lys-0071 [83]2 years ago
5 0

The value of the z test statistic will be 2.55.

<h3>What is the z test statistic?</h3>

The z test statistic is a statistical evaluation of a value's correlation to the mean of a collection of values, expressed in terms of standard deviation.

The z test statistics is given as

z = (x – μ) / σ

Where μ is the mean, σ is the standard deviation, and x is the sample.

A sample of 25 provided a sample mean μ = 14 and a sample standard deviation σ = 4.32.

Then the value of the z test statistic will be

z = (x – μ) / σ

z = (25 - 14) / 4.32

z = 11 / 4.32

z = 2.546 ≈ 2.55

More about the z test statistic link is given below.

brainly.com/question/15016913

#SPJ1

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