It would help if you would proofread your work before you post it.
Football or basketball?
The winning football team goals in 9 high school basketball games was recorded. If the sample mean is 4.4 goals and the sample standard deviation is 1.1 goals
a) What is the degree of freedom?
b) Find 90% condence interval of true means. (answer nearest to 3 decimal e.g. 1.2345< < 2.3454)
1 answer