Problem:
A packaged goods supplier designed a new package ("white") that it thought was more appealing than its old package ("blue"). It conducted a 10-week trial of the two packages in selected "matched" stores with the results shown below (sales in thousands of dollars).
Week Blue White
1 8.4 9.2
2 4.9 5.3
3 3.3 3.1
4 6.9 7.6
5 9.3 9.2
6 8.7 9.2
7 5.3 5.7
8 3.4 4.4
9 6.9 7.8
10 7.9 8.5
Question 1: The point estimate for the new "White" package is ___.
Question 2: The point estimate for the old "blue" package is ___.
Question 3: The standard deviation for the "White" package is ___.
Question 4: The standard deviation for the "Blue" package is ___
Question 5: The 95% prediction interval estimate for the new "White" package is, lower ___, and higher ___.
Question 6: The 95% prediction interval estimate for the new "Blue" package is, lower ___ , and higher ___.