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Mariana [72]
2 years ago
10

Assume the following 5 scores represent a sample: 2, 3, 5, 5, 6. Transform these scores into z-scores. Show all steps

Mathematics
1 answer:
nydimaria [60]2 years ago
4 0

The z-scores of the scores are -1.34, -0.73, 0.48, 0.48 and 1.10

<h3>How to transform the scores?</h3>

The sample scores are given as:

2, 3, 5, 5, 6.

Calculate the mean and the standard deviation using a statistical calculator.

From the statistical calculator, we have:

\bar x = 4.2 --- mean

\sigma_x = 1.64 --- standard deviation

The z-score is then calculated using

z= \frac{x - \bar x}{\sigma}

Where:

x = 2, 3, 5, 5, 6.

So, we have:

z_1= \frac{2 - 4.2}{1.64} = -1.34

z_2= \frac{3 - 4.2}{1.64} = -0.73

z_3= \frac{5 - 4.2}{1.64} = 0.48

z_4= \frac{5 - 4.2}{1.64} = 0.48

z_5= \frac{6 - 4.2}{1.64} = 1.10

Hence, the z-scores of the scores are -1.34, -0.73, 0.48, 0.48 and 1.10

Read more about z-scores at:

brainly.com/question/25638875

#SPJ1

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Step-by-step explanation:

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