Question 865824
2 4 14 26 27 29
32 <--
41 <--
49 54 75 83 94 96
You have 14 values. The median is the average of value 7 and value 8.
Median=36.5
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60 60 60 60 60 60 60 60 60 60 60 60 60 70
70 <--
70 <--
70 80 80 80 80 80 80 80 90 90 90 90 90 90
Your average is 72. CORRECT
You have 30 values. The median is the average of value 15 and value 16.
Median=70
You calculated the standard deviation using the definition for a sample of a population but you should have used the definition of standard deviation of the entire population 
{{{sigma=11.94}}}
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1 1 1 1 1 1 1 1 1 1 2 2 2 2 2 2 3 3 3 3 3 3 3 4 4 4 4 4 4
4 <--
4 <--
5 5 5 5 5 5 5 5 5 5 5 6 6 6 6 6 6 6 6 6 6 6 6 6 7 7 7 7 7
Your average is 4.05. CORRECT
You have 60 values. The median is the average of value 30 and value 31.
Median=4
You calculated the standard deviation using the definition for a sample of a population which is the correct definition based on the problem setup. But you have to round up to get to 2 decimal places.
{{{sigma=1.97}}}