Exam 15: Statistical Reasoning in Everyday Life

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

The illusion that uncontrollable events are correlated with our actions is fed by a phenomenon known as

When you read a bar graph,it is most important for you to

The average price for different brands of toothpaste could be visually displayed in a

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

Seven members of a girls' club reported the following individual earnings from their sale of raffle tickets: $5,$9,$4,$11,$6,$4,and $3.In this distribution of individual earnings,the

If the points on a scatterplot are clustered in a pattern that extends from lower left to upper right,this would suggest that the two variables depicted are

It's easy to design a ________ to make small differences among groups look large by limiting the range of the y-axis.

Approximately what percentage of the cases represented by the normal curve fall between -3 and +3 standard deviations from the mean?

We can most accurately estimate the mean of a population if

Which of the following provides only a rough indication of the degree of variation among a set of scores?

On average,Caryl's school bus arrives on time,although sometimes it is a bit early or late.If the arrival times are distributed on a normal curve,which of the following statistics would enable Caryl to estimate the probability that her bus will arrive within 5 minutes of its scheduled arrival time on any given day?

Which of the following correlations between self-esteem and body weight would enable you to most accurately predict body weight from knowledge of level of self-esteem?

In a group of five individuals,two report annual incomes of $10,000,and the other three report incomes of $14,000,$15,000,and $31,000,respectively.The mode of this group's distribution of annual incomes is

A statistically significant difference between two sample groups is NOT likely to be

Illusory correlation refers to

After sports magazines give cover-story attention to the recent outstanding performances of an athlete,the individual often suffers a real decline in performance.This may be at least partially explained in terms of

The mode,median,and mean are measures of

Gene believes he is much more likely to win the state lottery if he chooses the numbers than if the numbers are randomly generated by a computer program.Gene's belief best illustrates

The percentage of students whose average grades fall into various performance levels could be represented by a