Q1) As part of the advertising campaign, Dairy Council is interested in finding daily intake of milk among adults. Random sample of 10 adults gave following results. (Values are given in ounces.)
|
23
|
30.6
|
20.3
|
10.1
|
11.5
|
|
21.8
|
22.2
|
26.9
|
21
|
30.1
|
a) Determine 'x and s for this data set.
b) Create a 99 percent confidence interval for mean daily intake of milk. You may suppose daily intake amounts are usually distributed. (Note: These results could then be used in later studies to see if ad campaign is succeeding in increasing amount of milk adults drink.)