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The additional growth of plants in one week are recorded for 11 plants with a sample standard deviation of 2 inches and sample mean of

The additional growth of plants in one week are recorded for 11 plants with a sample standard deviation of 2 inches and sample mean of 8 inches.

t* at the 0.05 significance level =

Margin of error =

Confidence interval = [,]

[smaller value, larger value]

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