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In the 2008 General Social Survey, participants were asked, "Would you say that you are very happy, pretty happy, or not too happy?" The results were that 599 people said very happy, 1100 people said pretty happy, and 316 people said not too happy (Data source: http://sda.berkeley.edu).

a. Write the frequency and relative frequency table for these data. Use given Table for guidance.

b. Draw a bar graph of the percentages (or proportions) found for the relative frequency distribution in part (a).

c. What percent of respondents said either "very happy" or "pretty happy?"

Table : Seatbelt Use by Twelfth -Graders When Driving
Response	Count	Percent
Always	1686	55.40%
Most times	578	19.00%
Sometimes	414	13.60%
Rarely	249	8.20%
Never	115	3.80%
Total	3042	100%

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Statistics and Probability, Statistics

Category:- Statistics and Probability
Reference No.:- M92209058

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