Chapter 1, Problem 5SE

Refer to the data set in Table 1.7.

1. a. What is the average price for the cordless telephones?
2. b. What is the average talk time for the cordless telephones?
3. c. What percentage of the cordless telephones have a voice quality of excellent?
4. d. What percentage of the cordless telephones have a handset on the base?

TABLE 1.7 DATA FOR EIGHT CORDLESS TELEPHONES

Brand	Model	Price ($)	Overall Score	Voice Quality	Handset on Base	Talk Time (Hours)
AT&T	CL84100	60	73	Excellent	Yes	7
AT&T	TL92271	80	70	Very Good	No	7
Panasonic	4773B	100	78	Very Good	Yes	13
Panasonic	6592T	70	72	Very Good	No	13
Uniden	D2997	45	70	Very Good	No	10
Uniden	D1788	80	73	Very Good	Yes	7
Vtech	DS6521	60	72	Excellent	No	7
Vtech	CS6649	50	72	Very Good	Yes	7