Results of a statistical survey and analyze processed data
Directions: This is your end-of course assignment to assess your ability to read the results of a statistical survey and analyze the processed data. Pages 317-318 present the case and survey instrument. Below are the results of the processed data, taken from the Instructor's Solutions Manual.For full credit, express answers #1-#9 in percentages correct to hundredths. [#1 through #10 count
95% confidence intervals constructed:
n = 418
Question 1: Yes, p = 0.1986; 0.1603 to 0.2368
Question 2: Yes, p = 0.6268; 0.5804 to 0.6732
Question 3: Basic p = 0.3923; 0.3455 to 0.4392
Enhanced p = 0.6077; 0.5609 to 0.6545
n = 254
Question 4: Every day p = 0.1969; 0.1480 to 0.2457
Question 4: Most days p = 0.5669; 0.5060 to 0.6279
Question 4: Occasionally or never p = 0.2362; 0.1840 to 0.2885
n = 418
Question 5: Almost every day p = 0.0335; 0.0162 to 0.0507
Question 5: Several times a week p = 0.0837; 0.0572 to 0.1103
Question 5: Almost never (rarely) p = 0.7488; 0.7072 to 0.7904
Question 5: Never p = 0.1340; 0.1013 to 0.1666
Question 6: Toll-free phone number p = 0.5502; 0.5025 to 0.5979
Question 6: AMS website p = 0.2536; 0.2119 to 0.2953
Question 6: Direct mail p = 0.11; 0.08 to 0.14
Question 6: Good Tunes & More p = 0.0239; 0.0093 to 0.0386
Question 6: Other p = 0.0622; 0.0390 to 0.0854
Question 7: Yes p = 0.0957; 0.0675 to 0.1239
Question 9: Yes p = 0.8469; 0.8124 to 0.8814
Question 10: Yes p = 0.0909; 0.0633 to 0.1185
Question 8: Trial Weekly rate ($) Willing to Pay
Confidence Interval Estimate for the Mean
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Data
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Sample Standard Deviation
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1.9667
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Sample Mean
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20.73
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Sample Size
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40
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Confidence Level
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95%
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Intermediate Calculations
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Standard Error of the Mean
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0.3110
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Degrees of Freedom
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39
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t Value
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2.0227
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Interval Half Width
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0.6290
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Confidence Interval
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Interval Lower Limit
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20.10
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Interval Upper Limit
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21.35
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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.