This is the first of 3 sets of questions on Summary Statistics.
Sheet 1 - raw data
Sheet 2 - frequency tables
Sheet 3 - grouped frequency tables
Questions are asked in a helpful manner, though essentially they are all “Find Mean, Variance and Standard Deviation in context” and then interpret your answer.
Answers and a formula sheet are included only in the full set of sheets which we offer at a good price.
Please note that the formula for standard deviation differs for MEI so please ensure that you use the correct sheet for your board.
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