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Find the mean for this sample of scores below.
Scores: 1, 5, 5, 9
Find the mean for this sample of scores below.
Scores: 0, 8, 13
Find the population mean given that there are N = 5 scores and ΣX = 40.
Find the mean for the scores shown in the frequency distribution table below.
X f
5 3
4 1
3 3
2 2
1 2
Find the mean for the scores shown in the frequency distribution table below.
X f
5 1
4 2
3 3
2 2
1 2
Find the number of scores in a population given that: μ = 7 and ΣX = 42.
Find ΣX for a sample given that: M = 12 and n = 6.
If after all the scores in a sample are each multiplied by 4, the mean is found to be M = 24, what was the mean of the original scores?
3 points are added to each score in a population. If the original mean was 60, what is the mean of the newly created distribution?
Two samples are being combined. Sample #1 has n = 5 scores has a mean of M = 10, and a Sample #2 has n = 10 scores has a mean of M = 5. What is the mean for the newly combined set of scores?