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In a carnival game, there are 10 cards on a table, face down, each with a different color on the side facing down. The booth owner says that the chance of winning the game by selecting a blue card is 1 out of 10 . Select the best interpretation if you play this carnival game many times.

At a large high school, students took a series of different advanced tests.  Each test covered a different subject area and had a different number of questions.  Also, each test had a different mean and standard deviation from the other tests.  Margarita is one of the students who took the tests.  She wants to see on what tests she performed the best compared to other students who took the tests.  Which of the following methods should she use?

Assume that the distribution of weights of adult men in the United States is normal with mean 190 pounds and standard deviation 30 pounds. Bill’s weight has a Z-score of 1.5. Which of the following is true?

For the regression line predicted long jump = 7.24 + 0.014 (year since 1900), what does the 7.24 tell us?

Which of the following is the best comparison of the centers of the three distributions?

Which one of the four scatterplots above matches the following description: “For children who are age 10 − 17, there is a strong positive linear association between a child’s age and his/her reading test score?”

A distribution of thumb lengths (measured in centimeters) taken from the left hand of a random sample of female students at Normandale.

For a respondent whose father had 14 years of education, the respondent is predicted to have 15 years of education. Based on this information, which of the following statements is true?

The scatterplot above includes the least-squares regression line for predicting the average daily number of new savings accounts based on the interest rate. Which equation is a reasonable description of the least-squares regression line? (Note: a rate of 2.05% would be entered into the model as “2.05.”)

The distribution of the top 1% of individual incomes in the U.S. is strongly skewed to the right. In 1997, the two measures of center for the top 1% were $330, 000 and $675, 000. Which number best represents the mean income and which represents the median income?