# Question

The following data represent the percentage of people without health insurance for the 50 states and the District of Columbia in 2009.

With the ﬁrst class having a lower class limit of 4 and a class width of 2:

(a) Construct a frequency distribution.

(b) Construct a relative frequency distribution.

(c) Construct a frequency histogram of the data.

(d) Construct a relative frequency histogram of the data.

(e) Describe the shape of the distribution.

(f ) Repeat parts (a)–(e) using a class width of 4.

(g) Does one frequency distribution provide a better summary of the data than the other? Explain.

With the ﬁrst class having a lower class limit of 4 and a class width of 2:

(a) Construct a frequency distribution.

(b) Construct a relative frequency distribution.

(c) Construct a frequency histogram of the data.

(d) Construct a relative frequency histogram of the data.

(e) Describe the shape of the distribution.

(f ) Repeat parts (a)–(e) using a class width of 4.

(g) Does one frequency distribution provide a better summary of the data than the other? Explain.

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