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UploadCARSdata. SETUP: It is believed that BMW' prices (Suggested price) are higher than 40000. Given the data your job is to confirm or disprove this
UploadCARSdata. SETUP: It is believed that BMW' prices (Suggested price) are higher than 40000. Given the data your job is to confirm or disprove this belief . (CAREFULL: sort the data in order to extract the needed information).
DATA: https://www.limes.one/Content/DataFiles/cars04.txt
1. What test/procedure did you perform?
- a. One-sided t-test
- b. Two-sided t-test
- c. Regression
- d. Confidence interval
2. What is the P-value/margin of error?
- a. 0.161902527
- b. 14222.08354
- c. 8594.31906
- d. 8.065421
- e. None of these
3. Statistical interpretation
- a. Since P-value is very small we are confident that the average Price is above 40000.
- b. Since P-value is very small we are very confident that the averages are different.
- c. Since P-value is very small we are confident that the slope of regression line is not zero.
- d. None of these.
4. Conclusion
- a. Yes, I am confident that the above assertion is correct.
- b. No, we cannot claim that the above assertion is correct.
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