# Standard score for data value; probability of data value

A set of 50 data values has a mean of 45 and a variance of 9.

I. Find the standard score (z) for a data value = 52.

II. Find the probability of a data value < 52.

III. Find the probability of a data value > 52.

https://brainmass.com/statistics/probability/standard-score-data-value-probability-data-value-365016

#### Solution Preview

z = (x-u)/s {where x is your value of interest, s is your standard deviation = ...

#### Solution Summary

The standard scores for data values are determined. The probability of data values are provided.

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