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
< 1min
A data set is approximately normally distributed with a mean of $9$9 and a standard deviation of $2$2.
Easy
< 1min
A data set is approximately normally distributed with a mean of $3$3 and a standard deviation of $4$4.
Easy
< 1min
A data set is approximately normally distributed with a mean of $7$7 and a standard deviation of $2$2.
Easy
< 1min
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