Question

Use the following information to answer the next two questions Four histograms are displayed below. 2 0 1 2 345 67 89 10 0 2 45 6 789 10 123 4 5 6789 10 0 1 2 34 5 6 7 8 9 10 0 Match the description to the appropriate histogram. A distribution for the second to last digit of phone numbers sampled from students in a class (i.e., for the phone number 968-9667, the second to last digit is 6) is best represented by: O Histogram A Histogram B Histogram C Histogram D A distribution for a set of scores on a ten-point quiz where the quiz was very easy and most students did well - is best represented by: IS Histogram A Histogram B Histogram C O Histogram D

Answer 1

a)for second to last digit: Histogram D (as all number are equally probable therefore this should be uniform)

b) Histogram C ; as this should be left skewed