Select one or more Histogram Y has a larger standard deviati

Select one or more:

Histogram Y has a larger standard deviation than Histogram Z.

Histogram Z has a larger standard deviation than Histogram X.

Histogram X has a larger standard deviation than Histogram Y.

Histogram X has the smallest standard deviation of all the graphs.

Histogram X most closesly resembles a normal distribution with a mean of 50 and a standard deviation of 10.

Histogram Y most closesly resembles a normal distribution with a mean of 50 and a standard deviation of 10.

Histogram Z most closesly resembles a normal distribution with a mean of 50 and a standard deviation of 30.

Histogram Z most closesly resembles a normal distribution with a mean of 250 and a standard deviation of 50.

Solution

The correct answers are:

Histogram Z has a larger standard deviation than Histogram X.

Histogram X has the smallest standard deviation of all the graphs.

Histogram X most closesly resembles a normal distribution with a mean of 50 and a standard deviation of 10.