SOLUTION: I dont understand this question can anyone explain it to me? 2. (5 pts) Construct a frequency distribution of the ages that 25 randomly selected smokers started smoking: Simpl

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Question 151050This question is from textbook a survey of mathematics with applications
: I dont understand this question can anyone explain it to me?
2. (5 pts)
Construct a frequency distribution of the ages that 25 randomly selected smokers started smoking: Simply listing every age as a separate class is not correct as 11 classes is too many for this data set! consrtuct a histogram and a frequency polopygon.
26 26 25 17 16 16 14 17 21 16
16 18 17 15 15 19 16 17 22 15
19 17 16 27 16
This question is from textbook a survey of mathematics with applications

Answer by vleith(2983) (Show Source):
You can put this solution on YOUR website!
You are being asked to make several 'groups' and then put the entries into those groups. Once you have done that, you are being asked to make two plots with the resulting data.
Generally 5 to 7 groups makes for a nice chart.
Look at the data and see that the smallest entry is 14 and the largest is 27.
So there are 13 years in the range of data. Lets make 5 groups. Each group will be 3 years wide. Start the first group as 13-15. The next is 16-18. etc .
Now sift your data into those groups.
13-15 | 4 (14 15 15 15 )
16-18 | 13
19-21 | 3
22-24 | 1
25-27 | 4
Now plot a bar chart and polygon