Q Math 54 Collected Work Section 2.3 Collected Work Name: Total points: 10 1. (6) Use the given frequency distribution to answer the following questions. Wendy’s Dinner Service time (in seconds) Frequency Midpoints 30 – 69 4 70 – 109 11 110 – 149 15 150 – 189 10 190 – 229 4 a. Find the midpoint for each class. b. Construct a frequency polygon. 2. (4) Use the given frequency distribution to answer the following questions. Wendy’s Dinner Service time (in seconds) Frequency Cumulative Frequency Cumulative Relative Frequency 30 – 69 4 70 – 109 11 110 – 149 15 150 – 189 10 190 – 229 4 Find the cumulative frequencies and cumulative relative frequencies. 1

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