Question
what is the mean for the population of scrores shown in the frequency distribution table?
X f
5 1
4 2
3 3
2 4
1 2
X f
5 1
4 2
3 3
2 4
1 2
Answers
MathGuru
Your sample size is 12 (add up all the frequencies). To find mean, take each X times its respective f, add up these values, then divide by 12.