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 pm, and the dollar value spent. (Round the final answers to 3 decimal places.) 7 17 14 a. Determine the standard error of estimate Standard error b. Suppose a large sample is selected (instead of just five). About 68% of the predictions would be between what two values? Assuming that the Standard Error of Estimate does not change y's

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.5: Comparing Sets Of Data
Problem 14PPS
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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 pm, and the dollar value spent. (Round the final
answers to 3 decimal places.)
15 11
MI
87
17
13
a. Determine the standard error of estimate.
Standard error
b. Suppose a large sample is selected (instead of just five). About 68% of the predictions would be between what two values?
Assuming that the Standard Error of Estimate does not change.
Transcribed Image Text: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 pm, and the dollar value spent. (Round the final answers to 3 decimal places.) 15 11 MI 87 17 13 a. Determine the standard error of estimate. Standard error b. Suppose a large sample is selected (instead of just five). About 68% of the predictions would be between what two values? Assuming that the Standard Error of Estimate does not change.
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