Refer to Exercise 1.a.?Determine the standard error of estimate.b. Suppose a large sample is selected (instead of just five). About 68% of the predictions would be between what two values?

Exercise 1.

The Sally Coffee Shop is considering closing one hour earlier in the evening through the week. Sally obtained the following data from a study taken last week of the number of customers between the hours of 10 and 11 p.m., and the dollar value spent.

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4 x: 6 10 y: 6 7 7