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Algebra, Functions, and Data Analysis

3.02 Z-scores

Adaptive
Worksheet

Interactive practice questions

A data set is approximately normally distributed with a mean of $3$3 and a standard deviation of $5$5.

Find the value of the $z$z-score that corresponds to a value of $8$8 from the data set.

Easy
< 1 min

A data set is approximately normally distributed with a mean of $9$9 and a standard deviation of $2$2.

Easy
< 1 min

A data set is approximately normally distributed with a mean of $3$3 and a standard deviation of $4$4.

Easy
< 1 min

A data set is approximately normally distributed with a mean of $7$7 and a standard deviation of $2$2.

Easy
< 1 min
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Outcomes

AFDA.DA.4d

Calculate and interpret the z-score for a data point, given the mean and the standard deviation.

AFDA.DA.4e

Compare two sets of normally distributed data using a standard normal distribution and z-scores, given the mean and the standard deviation.

AFDA.DA.4h

Investigate, represent, and determine relationships between a normally distributed data set and its descriptive statistics.

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