Which of the Following Was Indicated by the Census Income

question 67

Multiple Choice

Which of the following was indicated by the Census income data reported in 2011?

• A)The middle class is growing.
• B)The recession disproportionately affected the upper class.
• C)More people are in the top third of the income distribution.
• D)More people are in the bottom third of the income distribution.
• E)The middle class was not affected by the recession.

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Definitions:

Significance Level

The probability of rejecting the null hypothesis when it is actually true, often denoted by alpha.

ANOVA Table

A table that displays the output of an Analysis of Variance, which shows statistical information such as sums of squares, degrees of freedom, mean squares, and F-statistics.

Mean Squares

The average of the squares of the deviations or differences from the mean, often used in variance analysis.

Sum of Squares

A statistical measure used in regression analysis and ANOVA; it quantifies the total variance in the data by summing squared deviations from the mean.