# Question

According to the AAA Daily Fuel Gauge Report, the national average price for regular unleaded gasoline on January 29, 2009, was $1.843. That same day, a random sample of 12 gas stations across the country yielded the following prices for regular unleaded gasoline.

a. Use Table III to construct a normal probability plot for the gas-price data.

b. Use part (a) to identify any outliers.

c. Use part (a) to assess normality.

d. If you have access to technology, use it to obtain a normal probability plot for the gas-price data.

a. Use Table III to construct a normal probability plot for the gas-price data.

b. Use part (a) to identify any outliers.

c. Use part (a) to assess normality.

d. If you have access to technology, use it to obtain a normal probability plot for the gas-price data.

## Answer to relevant Questions

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