SOLUTION: Pls could you help me with this
Marks 10-19 20-29 30-39 40-49 50-59 60-69 70-79 80-89 90-99
Frequency 1 3 7 20 30 22 10 5 2
Using 54.5 as an assumed mean calculate the mean m
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Question 937191: Pls could you help me with this
Marks 10-19 20-29 30-39 40-49 50-59 60-69 70-79 80-89 90-99
Frequency 1 3 7 20 30 22 10 5 2
Using 54.5 as an assumed mean calculate the mean mark and standard deviation of the distribution
Answer by oscargut(2103) (Show Source): You can put this solution on YOUR website!
So you need only the standard deviation ?
You can contact me at:
mthman@gmail.com
Thanks
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