The following table gives the cumulative frequency distribut

The following table gives the cumulative frequency distribution of annual incomes (in thousands of dollars) for a sample of 200 families selected from a ci

27. The cumulative relative frequency of the fourth class, rounded to three decimal places, is:

28. The sample size is: 29. The cumulative percentage for the second class, rounded to one decimal place, is:

30. The percentage of families with an income of less than $55,000, rounded to one decimal place, is:

31. The percentage of families with an income of $70,000 or more, rounded to one decimal place, is:

32. The number of families with an income of $40,000 or less is: 33. The number of families with an income of $85,000 or more is:

income($1000\'s)	f
10 to less than 25	25
10 to less than40	79
10 to less than 55	149
10 to less than 70	167
10 to less than 85	191
10 to less than 100	200

27. The cumulative relative frequency of the fourth class is 0.835.

28. The sample size is 200

29. The cumulative percentage for the second class is 39.5%

30. The percentage of families with an income of less than $55,000 is 74.5%

31. The percentage of families with an income of $70,000 or more is 16.5

32. The number of families with an income of $40,000 or less is 79

33. The number of families with an income of $85,000 or more is 9

Income	Cumulative frequency	Income	Frequency	Relative frequency	Cumulative relative frequency
10<=I<25	25	10<=I<25	25	0.125	0.125
10<=I<40	79	25<=I<40	54	0.27	0.395
10<=I<55	149	40<=I<55	70	0.35	0.745
10<=I<70	167	55<=I<70	18	0.09	0.835
10<=I<85	191	70<=I<85	24	0.12	0.955
10<=I<100	200	85<=I<100	9	0.045	1

The following table gives the cumulative frequency distribution of annual incomes (in thousands of dollars) for a sample of 200 families selected from a ci 27.

The following table gives the cumulative frequency distribut

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