In the second 14 weeks of the Books R Use data, the mean total sales were $19,543. The standard deviation was $11,502. At the .05 level of significance, what was the confidence interval? Did the value $16,400 fall inside our outside the confidence interval?© BrainMass Inc. brainmass.com October 10, 2019, 5:21 am ad1c9bdddf
Please refer attached file for missing expressions.
Sample mean= $19543
Degrees of freedom=n-1=14-1=13
The solution determines the interval estimate for the true sales.