Question

1. The following data set represents the amount spent (in dollars) by 45 shoppers at a supermarket. Construct a frequency distribution for the variable, and also report the relative frequencies for each class in your frequency distribution. NOTE: the data is in dollars and cents; you can not change that data!

10.81, 12.69, 13.78, 15.23, 15.62, 17.00, 17.39, 18.36, 18.43, 19.27, 19.50,19.54,

20.16, 20.59, 22.22, 23.04, 24.47, 24.58, 25.13, 26.24, 26.26, 27.65, 28.06, 28.08,

28.38, 32.03, 33.58, 34.98, 36.37, 37.44, 38.64, 39.16, 41.02, 42.97, 44.08, 45.40,

48.65, 50.39, 52.75, 54.80, 59.07, 61.22, 62.32, 63.70, 66.76

2. A frequency Distribution is a universal descriptive tool. Briefly describe what it is that we are trying to describe about the variable.

Answer 1

( 1 )

class	freq	rel.freq
10. -20	12	0.266667
20 -30	13	0.288889
30-40	7	0.155556
40-50	5	0.111111
50-60	4	0.088889
60-70	4	0.088889
	45	1