1. (a) Construct a frequency histogram from the data for the Good Mood condition in Data 2B (Problem 13) in Chapter 2.
(b) Construct a frequency polygon from the same data.
2. Construct
(a) a histogram,
(b) a frequency polygon, and
(c) a cumulative frequency distribution in graph form for Data 2D (Problem 19) in Chapter 2.
(d) Why might it have been better to have chosen an odd-numbered interval width?