Question: A sample with n = 75, xÌ = 18.92, and s = 10.1 We give summary statistics and a dotplot for a sample. In each

A sample with n = 75, xÌ… = 18.92, and s = 10.1

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We give summary statistics and a dotplot for a sample. In each case, indicate whether or not it is appropriate to use the t-distribution. If it is appropriate, give the degrees of freedom for the t-distribution and give the estimated standard error.

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