3) Consider the following frequency table: Data Frequency Relative frequency Cumulative relative frequency 10 14 3 15 5 16 4 20 25 30 a) Fill in the columns b) Construct a Relative Frequency Bar Chart c) Calculate the Mean and Median and the Mode d) Calculate the sample standard deviation (as if the data was a random sample of a population) e) Calculate the 30a Percentile | ) Calculate the sample z – score which corresponds to the raw score of x = 10 2.

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