Exam 16: Statistical Reasoning in Everyday Life

Faustin, a member of his college's golf team, has an opportunity to play against a nationally acclaimed professional golfer. How many holes of golf should Faustin choose to play with the professional in order to maximize his own slim chances of winning?

What is the mode of the following distribution of scores: 2, 2, 4, 4, 4, 14?

Seven members of a Girl Scout troop report the following individual earnings from their sale of candy: $4, $1, $7, $6, $8, $2, and $7. In this distribution of individual earnings

Which of the following correlations between annual income and education level would best enable you to predict annual income on the basis of level of education?

Mr. and Mrs. Klostreich have six children, aged 5, 6, 6, 7, 8, and 16. The mean age of the Klostreich children is

One person in a 10-person group is 10 times older than any of the other members. With respect to age, it is MOST likely that the majority of group members are younger than the group's

What is the mode of the following distribution: 8, 2, 1, 1, 3, 7, 6, 2, 0, 2?

The ________ can be a particularly misleading indication of what is average for a ________ distribution of scores.

In a normal distribution, what percentage of scores fall between +2 and -2 standard deviations of the mean?

The symmetrical, bell-shaped distribution in which most scores are near the mean and fewer near the extremes forms a

Compute the range of the following distribution: 9, 14, 2, 8, 1, 6, 8, 9, 1, 3.

Which measure of central tendency is used to calculate the average of your school grades?

A scatterplot graphically depicts the

The standard deviation is the square root of the average squared deviation of scores from the

The ________ is a measure of ________.

If there is no relationship between two sets of scores, the correlation coefficient equals

The mode, median, and mean are measures of

The mode, median, and mean are most likely to have different values when they

For which of the following distributions of scores would the median most clearly be a more appropriate measure of central tendency than the mean?

To decide whether observed differences between samples reflect actual differences between populations, it is necessary to determine the ________ of the observed differences.