# Question

The data show the number of murders in 25 selected cities.

Class limits Frequency

34–96 .........13

97–159 .........2

160–222 .......0

223–285 .......5

286–348 .......1

349–411 .......1

412–474 .......0

475–537 .......1

538–600 .......2

Find the variance and standard deviation.

Class limits Frequency

34–96 .........13

97–159 .........2

160–222 .......0

223–285 .......5

286–348 .......1

349–411 .......1

412–474 .......0

475–537 .......1

538–600 .......2

Find the variance and standard deviation.

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