In order to invest in the stock market in 2010, you want to estimate the Dow Jones Industrial Average
In order to invest in the stock market in 2010, you want to estimate the Dow Jones Industrial Average (DJIA) for the previous year, 2009. So, you select a sample from this population by collecting 30 closing prices of the DJIA from the 2009 fiscal year. Use the SPSS statistical program to obtain results. Prepare a report providing all the following information.
Page 1:
1. DESCRIPTION OF THE PROBLEM
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State the population mean you are estimating. Include your best guess as to what the population mean will be.
2. POPULATION AND SAMPLE
- Indicate the population.
- Indicate the sample and the kind of sample.
Page 2:
3. LIST OF SAMPLE POINTS
- A list of all the sample points (include the dates of each 30 daily/weekly closing prices of the DJIA).
- The source of this data.
- PIE CHART
Page 3:
4. THE COMPUTER OUTPUT FOR THE 90% AND 95% CONFIDENCE INTERVALS
5. AN INTERPRETATION OF THE 95% CONFIDENCE INTERVAL
- "I am 95% certain that …"
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Is your best guess of the population mean within the interval?
6. A VERIFICATION OF THE 90% CONFIDENCE INTERVAL
Page 4:
7. COMPUTER OUTPUT FOR THE t TEST
Show your computer output for t-Test of the Mean.
Explain your Null Hypothesis (Ho) and your Alternate Hypothesis (H1) -- here your population mean is = or \(\ne \) 8800; your best guess for alpha; = 0.05.
8. P-VALUE
- State the p-value from the computer output.
- Compare that value with alpha = 0.05. What does this comparison tell you?
Page 5:
9. EXPLAINING CONSISTENCY
Explain how the result in part 5 is consistent with your conclusions in parts 7 and 8.
10. PRACTICAL USE
Discuss how your results might be of practical use.
Deliverable: Word Document
