Health experts recommend that runners drink 4 ounces of water every 15 minutes they run.
Runners who run three to eight hours need a larger capacity hip mounted or over the Shoulder hydration system. The following data show the liquid volume (fl 0z) and the price for 26 Ultimate Direction hip-mounted or over the shoulder hydration systems. (Trial Runner Gear Guide, 2003
|
Model
|
Volume(fl oz.)
|
Price ($)
|
|
Fastdraw
|
20
|
10
|
|
Fastdraw Plus
|
20
|
12
|
|
Fitness
|
20
|
12
|
|
Access
|
20
|
20
|
|
Access Plus
|
24
|
25
|
|
Solo
|
20
|
25
|
|
Serenade
|
20
|
35
|
|
Solitaire
|
20
|
35
|
|
Gemini
|
40
|
45
|
|
Shadow
|
64
|
40
|
|
Express
|
20
|
30
|
|
Lightning
|
28
|
40
|
|
Elite
|
40
|
60
|
|
Extender
|
40
|
65
|
|
Stinger
|
32
|
65
|
|
GelFlask Belt
|
4
|
20
|
|
DelDraw
|
4
|
7
|
|
GelFlask Clip-on Holster
|
4
|
10
|
|
GelFlask Holster SS
|
4
|
10
|
|
Strider (W)
|
20
|
30
|
|
Solitude I.C.E.
|
20
|
35
|
|
Getaway I.C.E.
|
40
|
55
|
|
Profile I.C.E.
|
64
|
50
|
|
Traverse I.C.E.
|
64
|
60
|
1. Use methods of descriptive statistics to summarize the data. Comment on the findings
2. Develop the estimated regression equation that could be used to predict the Price of hydration system.
3. At the 0.05 level of significance, determine whether the Price of hydration system and its Liquid Volume are related.
4. Explain if the estimated regression equation provide a good fit or not.