Question: In a random sample of 64 trout, the average weight is 3 pounds, with standard deviation s = .5 pounds Find: 1 Sample mean =

In a random sample of 64 trout, the average weight is 3 pounds, with standard deviation s = .5 pounds

Find:

1

Sample mean =

Group of answer choices

3 pounds

2 pounds

.05 pounds

.5 pounds

2

Standard Error of the sample mean =

Group of answer choices

.0625

.0781

.50

.25


3

The margin of error for 95% confidence =

Group of answer choices

.5

.189

.063

.125


4

95% confidence interval for the population mean, µ:

Group of answer choices

3 ± .063

3 ± .189

3 ± .50

3 ± .125




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