Question

Please assist with the following question:

A home theater in a box is the easiest and cheapest way to provide surround sound for a home entertainment center. A sample of prices is shown here (Consumer Reports Buying Guide, 2004). The prices are for models with a DVD player and for models with a DVD player.

Existing Homes	315.5	202.5	140.2	181.3	470.2	169.9	112.8	230.0	177.5
New Homes	275.9	350.2	195.8	525.0	225.3	215.5	175.0	149.5

1

Models with DVD Player	Price	Models without DVD Player	Price
Sony HT-1800DP	$450	Pioneer HTP-230	$300
Pioneer HTD-330DV	300	Sony HT-DDW750	300
Sony HT-C800DP	400	Kenwood HTB-306	360
Panasonic SC-HT900	500	RCA RT-2600	290
Panasonic SC-MTI	400	Kenwood HTB-206	300

1. Compute the mean price for models with a DVD player and the mean price for models without a DVD player. What is the additional price paid to have a DVD player included in a home theater unit?

2. Compute the range, variance, and standard deviation for the two samples. What does this information tell you about the prices for models with and without a DVD player?

MLB Salaries:

Player	Phillies	Dodgers	Rays	Red Sox
1	14250	19000	6000	14000
2	10000	15730	5375	13000
3	8583	15217	3898	12500
4	8000	14727	3785	10442
5	7958	10000	2875	10167
6	7786	9517	2750	9250
7	6350	9250	2400	8333
8	6000	9000	2300	8000
9	5500	8000	2250	6000
10	5000	7500	1600	5083
11	3250	7433	1275	4000
12	3000	2000	1000	3850
13	2400	1925	800	3000
14	1700	1115	417	3000
15	900	600	413	2000
16	900	500	412	1275
17	600	454	412	840
18	500	425	405	835
19	480	415	401	800
20	445	411	401	775
21	440	406	400	457
22	425	400	398	422
23	420	393	397	421
24	415	393	396	406
25	395	392	396	405
26	393	390	396	403
27	390	390	392	400
28	390	390	390	396

Answer 1