Question

elt T Register PRINTER VERSION BACK NEXT Question 6 The following data give the amounts spent (in dollars) on refreshments by 30 spectators randomly selected from those who patronized the concession stands at a recent Major League Baseball game. 4.00 26.00 8.00 5.80 4.00 2.99485 6.00 9.00 15.00 5.00 3.00 5.65 21.00 16.00 18.00 21.77 12.35 775 10.00 3.00 28.00 8.35 17.70 19.00 11.65 11.45 3.00 6.55 16.00 Construct a frequency distribution table using the less-than method to write classes. Take $0 as the lower boundary of the first class and $6 as the width of each class. Calculate the relative frequencies and percentages for all classes. Use the data obtained to choose a correct histogram for the frequency distribution. 12 10 08 612 1218 10-24 2430 0 12 12 24 24-30 12 10 0 612 1218 1824 2430 10 0 6-12 12-18 1824 24-30 12 10 06 12 12-18 18-24 24-30 Concession

Answer 1

### By using Excel:

First we sort the data in ascending order and mention the frequencies in the respective classes.

Amount Spent($)	Frequency(f)	Relative frequency=f/Total	Percentage=(Rel Fre)*100
"0-6"	10	0.3333	33.33
"6-12"	9	0.3000	30
"12-18"	6	0.2000	20
"18-24"	3	0.1000	10
"24-30"	2	0.0667	6.67
Total	30	1.0000	100

The Histogram for the frequency distribution is:

Therefore first choice is correct.