Question

Below are data for the first homework in a Psychology class: x f(x) 5 15 17...

Below are data for the first homework in a Psychology class:

x f(x)
5
15
17
19
21
23
25
1
1
1
2
3
2
2


a) Find the mean.


b) Find the range.


c) Find the proportion for a score of 25.


d) Find the proportion for a score of 5.

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