In: Statistics and Probability
Suppose the scores on a recent exam in your statistics class were as follows: 78, 96, 60, 93, 55, 84, 76, 92, 62, 83, 80, 90, 64, 75, 79, 31, 75, 64, 99, 74, 88, 61, 82, 68, 79, 78, 80, 85. a) Create a stemplot for these test scores using each 10s value once on the stem and ordered leaves on each branch.
Refer to the test scores in the Question above
a) Create a histogram for the test scores. b) Explain how you
decided how many intervals to use for the histogram in part (a). c)
Comment on the shape of the histogram in part (a).