Question

following data give the amounts (in dollars) spent on refreshments by 20 spectators randomly selected from...

following data give the amounts (in dollars) spent on
refreshments by 20 spectators randomly selected from those who attended
a recent baseball game.
4.95 27.99 5.80 2.99 8.00
9.00 15.75 3.05 21.00 9.50
21.77 12.35 10.45 28.45 7.75
19.5 11.65 3.00 16.50 11.45
Use the less-than method to construct a frequency distribution table that
satisfies all properties listed in below.
1. There are 5 classes.
2. The class width is 5.5.
3. The lower boundary of the first class is 2.5.

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Answer #1

[2.99, 3.0, 3.05, 4.95, 5.8, 7.75, 8.0, 9.0, 9.5, 10.45, 11.45, 11.65, 12.35, 15.75, 16.5, 19.5, 21.0, 21.77, 27.99, 28.45]

Class width Frequency
2.5-8.0 7
8-13.5 6
13.5-19 2
19-24.5 3
24.5-30 2

Total 20 samples are thre

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