Question

For the following Simple data ( separately ) : 18 , 30 , 14 , 21...

For the following Simple data ( separately ) :
18 , 30 , 14 , 21 , 25 , 24 , 34 , 15 , 25 , 26 , 18 , 24 , 18 , 33 , 20
1) Find ( Mean , Mode , Median , Range , Midrange , Standard Deviation , Variance )
2) Sketch the distribution Shapes approximately.
3) Determine the type of shape
4) Find coefficient of variation
5) Find the value of the 20th and 57th
percentile .
6) Find the percentile rank of a score of 23
7) Compute the z-score of 34
8) Calculate the Quartiles : Q1 , Q2 , Q3 .
9) Calculate the Interquartile Range ( IQR)
10) Check if the values – 5 and 41 are outlier or not
11) Construct the steam and leaf plot
12) Construct the box plot

Homework Answers

Answer #1

i am allowed to do four questions, though i ll try to solve as much as possible.

coefficient of variation has been calculated using earlier calculated values of mean and standard deviation.

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