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What is the expected value of ?
Consider the following data for two independent random samples taken fromtwo normal populations:Sample 1: 7, 9, 12, 10, 12Sample 2: 15, 20, 12, 8, 5Compute the two sample means.
The following results come from two independent random samples taken from two populations:
Sample 1: Sample 2:
What is the point estimate of the difference between the two population means?
Consider the following data for two independent random samples taken fromtwo normal populations:Sample 1: 7, 9, 12, 10, 12Sample 2: 15, 20, 12, 8, 5What is the point estimate of the difference between the two population means?
Which distribution do we use for confidence interval estimation when populationstandard deviations are unknown?