# Question

For the data in Exercise 3.20, determine the percentage of observations that fall within k = 1.5 standard deviation units from the mean. Do the results support Chebyshev’s theorem?

In Exercise

For a sample of 11 employers, the most recent hourly wage increases were 18, 30, 25, 5, 7, 2, 20, 12, 15, 55, and 40 cents per hour.

In Exercise

For a sample of 11 employers, the most recent hourly wage increases were 18, 30, 25, 5, 7, 2, 20, 12, 15, 55, and 40 cents per hour.

## Answer to relevant Questions

Standardize the data in Exercise 3.21, then identify the percentage of observations that fall within k = 2.0 standard deviation units from the mean. Do the results support Chebyshev’s theorem? A resort catering to golfers has reported the average income of golfer households to be $95,000. Assume that this average had been based on the 100 incomes in file XR03036. a. Construct and interpret the box-and-whisker plot ...In Exercise 3.14, two of the variables examined by the personnel director were age and number of absences during the past year. Using the data in file XR03014, generate a scatter diagram (with y = number of absences and x = ...According to Honda Motor Co., Inc., the exchange rate (yen per U.S. dollar) from 1998 through 2005 was 123, 128, 112, 111, 125, 122, 113, and 108. Determine the mean and median for these data. Is there a mode? If so, what is ...Use the coefficient of variation to compare the variability of the data in Exercise 3.57 with the variability of the data in Exercise 3.60. A computer and statistical software will be desirable and useful. However, any ...Post your question

0