Chapter 12.1, Problem 4E

In Exercises 3-6, use the given data to do the following:

(a) Construct grouped frequency and relative frequency distributions, in a table similar to Table 3. (Follow the suggested guidelines for class limits and class width.)

(b) Construct a histogram.

(c) Construct a frequency polygon.

Charge Card Account Balances The following raw data represent the monthly account balances (to the nearest dollar) for a sample of 50 brand-new charge card users

78	175	46	138	79	118	90	163	88	107
126	154	85	60	42	54	62	128	114	73
67	119	116	145	129	130	81	105	96	71
100	145	117	60	125	130	94	88	136	112
85	165	118	84	74	62	81	110	108	71

Use seven classes with a uniform width of 20 dollars, where the lower limit of the first class is 40 dollars.