Confidence Interval Estimate for the Mean
Data
|
|
Sample Standard Deviation
|
1.9667
|
Sample Mean
|
20.73
|
Sample Size
|
40
|
Confidence Level
|
95%
|
Intermediate Calculations
|
|
Standard Error of the Mean
|
0.3110
|
Degrees of Freedom
|
39
|
t Value
|
2.0227
|
Interval Half Width
|
0.6290
|
Confidence Interval
|
|
Interval Lower Limit
|
20.10
|
Interval Upper Limit
|
21.35
|
Answer the following questions.
1. What proportion of homes subscribe to telephone service from Ashland? Would you say this portion is small, medium, or large?
2. What proportion of homes subscribe to Internet service from Ashland? Would you say this portion is small, medium, or large?
3. What proportion of homes that are using Ashland's Internet service have Basic cable service?
4. Of the 56.1% to 65.5% of the homes that are using Ashland's Television Enhanced service, what percentage watch cable stations available only with enhanced service every day or most days?
5. What percentage of homes that are using Ashland's Television service watches premium on-demand services requiring an extra service fee at least several times a week?
6. What percentage of homes has obtained their current Ashland subscription from a toll-free phone number or AMS website?
7. A small percentage of homes would consider the 3-For-All service for a trial period. Between what percentages is that number?
8. What proportion of homes use another phone service provider?
9. What proportion of homes would sign up for the 3-For-All service if the Ashland Gold card were offered?
10. For the respondents who said they would sign up for the 3-For-All service for a trial period, between what dollar and cents limits would they be willing to pay?
11. Given your answers to each of the 10 questions above as well as the survey instrument, write a synthesized report about what Ashland MultiCommSevices should do to increase its number of new subscriptions to the 3-For-All cable/phone/Internet service.