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The American Automobile Association checks the prices of gasoline before many holiday weekends. Listed below are the self-service prices for a sample of 15 retail outlets during the May 2003 Memorial Day weekend in the Detroit, Michigan, area.
1.44
1.42
1.35
1.39
1.49
1.41
1.46
1.45
1.48
a. What is the arithmetic mean selling price?
b. What is the median selling price?
c. What is the modal selling price?
Compute fraction of the employees cost between $1,500 and $2,000 per year? Evaluate percent that didn't have any dental expense.
Obtain a test statistic and p -value assuming equal variances. Interpret these results.
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Determine the mean for list of numbers. 6, 5, 9, 4, 14, 9 (Round to the nearest tenth)
Create a scatter diagram and consider the correlation for the given data. Create a scatter diagram and sketch the line you think best fits the data.
What is the best prediction for the number of products sold based on advertising costs of $7000?
What the information do z-scores give that actual heights do no?
What sample size and acceptable level would result in a probability of .05 that a good batch will be rejected and a probability of .10 that a bad batch will be accepted?
In a study of the consumer's view of the economy, the probability that a consumer would buy a house during the year was 0.0013, and the probability that the consumer would buy a car during the year was 0.198. There was also a 0.0100 probability t..
What conclusions can you draw about the nature of the relationship between anxiety and exam performance?
Shows a sample mean of 1,261 with a standard deviation of 59. Should Pennsylvania adopt the new system for all toll roads in the state?
A teacher gave a 25 question multiple choice test. After scoring the tests, she computed a mean and standard deviation of the scores. The standard deviation was 0. Based on this information
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