The following frequency distribution shows the ACT scores of a sample of student
ID: 2956932 • Letter: T
Question
The following frequency distribution shows the ACT scores of a sample of students:Score Frequency
14 - 18 2
19 - 23 5
24 - 28 12
29 - 33 1
For the above data, compute the following.
a. The mean
b. The standard deviation
Explanation / Answer
mean =20/4 =5 SD=4.97