Question
Asked Sep 11, 2019
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find the mean if Z-score =14, st.Dev.=2.5, for a score of 8.5

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Step 1

Standard normal distribution:

The standard normal distribution is a special case of normal distribution, in which the mean of the distribution is 0 and standard deviation of the distribution is 1. The Z-scores can be calculated using the given formula.

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Z=X>ju where, x is the normal random variable is the mean, and a is the standard deviation

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Step 2

Here, Z-score=14, st.dev=2.5, score, x=8.5.

The mean value is ob...

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14 8.5- 2.5 14x2.5 8.5- fi 35 8.5- L=-26.5

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Math

Statistics

Hypothesis Testing

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