The following scores were obtained by a college sophomore class on an English exam:
a. Construct a frequency distribution of the ungrouped scores ( ).
b. Construct a frequency distribution of grouped scores having approximately 15 intervals. List both the apparent and real limits of each interval.
c. Construct a histogram of the frequency distribution constructed in part b.
d. Is the distribution skewed or symmetrical? If it is skewed, is it skewed positively or negatively?
e. Construct a stem and leaf diagram with the last digit being a leaf and the first digit a stem. Repeat stem values twice.
f. Which diagram do you like better, the histogram of part c or the stem and leaf diagram of part e? Explain.