Question

The number of text messages sent by 25 13-year-olds over the past month was as follows:


a. Construct a frequency distribution using classes of 500 up to 600, 600 up to 700, etc.
b. Construct the relative frequency distribution, the cumulative frequency distribution, and the cumulative relative frequency distribution.
c. How many of the 13-year-olds sent at least 600 but less than 700 text messages? How many sent less than 800 text messages?
d. What percent of the 13-year-olds sent at least 500 but less than 600 text messages? What percent of the 13-year-olds sent less than 700 text messages?
e. Construct a polygon. Comment on the shape of thedistribution.


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  • CreatedJanuary 28, 2015
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