find the 95% confidence interval for the variance of the heights of maple trees if a sample of 26 trees has a standard deviation of 10.2 feet.

possible answers:

6.2 < ơ² < 14.2

8.0 < ơ² < 14.1

78.0 < ơ² < 130.0

64.0 < ơ² < 198.2

possible answers:

6.2 < ơ² < 14.2

8.0 < ơ² < 14.1

78.0 < ơ² < 130.0

64.0 < ơ² < 198.2

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