Find the mean, median, and standard deviation of this dataset: {6, 7, 11.5, 8, 4, 12, 6.8, 9}.
Hint
Σ (x – x)2 = 51.68
Answer
Mean = 8.04
Median = 7.5
Standard deviation = 2.717
Find the mean, median, and standard deviation of this dataset: {9, 4, 12, 3, 6}.
Σ (x – x)2 = 54.8
Mean = 6.8
Median = 6
Standard deviation = 3.70
Find the mean, median, and standard deviation of this dataset: {5, 5, 5, 5, 5, 5}.
They aren't deviating very much from 5, are they?
Mean = 5
Median = 5
Standard deviation = 0
Find the mean, median, and standard deviation of this dataset: {1, 13, 4, 7, 9, 20}.
Σ (x – x)2 = 230
Mean = 9
Median = 8
Standard deviation = 6.78
Find the mean, median, and standard deviation of this dataset: {128, 241, 311}.
Σ (x – x)2 = 17052.7
Mean = 226.7
Median = 241
Standard deviation = 92.34
You've been inactive for a while, logging you out in a few seconds...