Question

USING AND INTERPRETING CONCEPTS Constructing a Frequency Distribution In Exercises 29 and 30, construct a frequency distribution for the data set using the indicated number of classes. In the table, include the midpoints, relative frequencies, and cumulative frequencies Which class has the greatest frequency and which has the least frequency? 9 29, Political Blog Reading Times Number of classes: 5 Data set: Times (in minutes) spent reading a political blog in a day 7 39 13 9 25 8 22 0 2 18 2 30 7 35 12 15 8 6 5 29 0 11 39 16 15 3 30. Book Spending Number of classes:(6 Data set: Amounts (in dollars) spent on books for a semester 91 472 279 249 530 376 188 341 266 199 142 273 189 130 489 266 248 101 375 486 190 398 188 269 43 30 127 354 84

Answer 1

29) Ans:

Sl No	Interval		Midpoint	Frequency	Relative Frequency	Cumulative Frequency
	lower	Upper
1	0	8	4	8	0.32	8
2	8	16	12	8	0.32	16
3	16	24	20	3	0.12	19
4	24	32	28	3	0.12	22
5	32	40	36	3	0.12	25
				25

30) Ans:

Sl No	Interval		Midpoint	Frequency	Relative Frequency	Cumulative Frequency
	lower	Upper
1	30	114	72	5	0.172414	5
2	114	198	156	7	0.241379	12
3	198	282	240	8	0.275862	20
4	282	366	324	2	0.068966	22
5	366	450	408	3	0.103448	25
6	450	534	492	4	0.137931	29
				29