If the median size used by 500 songs is 3.5 MB, will these all ft on a Shuffle that has 2 GB of storage? Can you tell?
Answer to relevant Questions(a) If the average size of 500 songs is 5.1 MB with standard deviation 0.5 MB, will these ft on a Shuffle that has 2 GB of storage? (b) Does the size of the standard deviation matter in answering part (a)? In a study of how the environment affects spending, researchers varied the presence of music and scents in a shopping mall. Interviews with shoppers who made unplanned purchases revealed the following average purchase ...The following histogram and boxplot summarize the distribution of income for 1,000 households in Colorado. (a) Estimate the mean and median. How do you know that the mean is larger than the median for this distribution? (b) ...This histogram shows the winning times in seconds for the Kentucky Derby since 1875. (a) Estimate the center and scale of these data from the histogram. Are the usual notions of center and spread useful summaries of these ...Some investors use the Sharpe ratio as a way of comparing the benefits of owning shares of stock in a company to the risks. The Sharpe ratio of a stock is defined as the ratio of the difference between the mean return on the ...
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