# Question

The following frequency distribution summarizes the weights of 195 fish caught by anglers participating in a professional bass fishing tournament.

Weight ( Pounds) Frequency

1– 3.......... 53

4– 6.......... 118

7– 9.......... 21

10– 12.......... 3

a Calculate the ( approximate) sample mean for these data.

b Calculate the ( approximate) sample variance for these data.

Weight ( Pounds) Frequency

1– 3.......... 53

4– 6.......... 118

7– 9.......... 21

10– 12.......... 3

a Calculate the ( approximate) sample mean for these data.

b Calculate the ( approximate) sample variance for these data.

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