Shown Below Are the Data and Summary Statistics for the Reading

question 67

Multiple Choice

Shown below are the data and summary statistics for the reading scores of 29 fifth graders.

Write a brief summary of the performance of the fifth graders.

• A)The distribution is unimodal and skewed to the left.The median is 4.6,while the mean is 4.2,lower than the median score.The middle 50% of the weekly salaries are between 3.6 and 5.2,for an IQR of 1.6.There are no outliers.
• B)The distribution is unimodal and skewed to the right.The median is 4.6,while the mean is 4.2,lower than the median score.The middle 50% of the weekly salaries are between 3.6 and 5.2,for an IQR of 1.6.There are no outliers.
• C)The distribution is unimodal and skewed to the left.The median is 4.6,while the mean is 4.2,lower than the median score.The middle 50% of the weekly salaries are between 3.6 and 5.2,for an IQR of 1.6.The score of 1.3 is an outlier.
• D)The distribution is skewed to the right.The median is 4.2,while the mean is 4.6,higher than the median score.The middle 50% of the weekly salaries are between 3.6 and 5.2,for an IQR of 1.6.There are no outliers.
• E)The distribution is unimodal and skewed to the left.The median is 4.2,while the mean is 4.6,higher than the median score.The middle 50% of the weekly salaries are between 3.6 and 5.2,for an IQR of 1.6.There are no outliers.

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Definitions:

Discretionary Policies

Economic policies based on the judgment and decisions of policymakers, as opposed to set rules or formulas, often involving changes in government spending or taxation.

Policy Rules

Guidelines or protocols that dictate the actions of an organization or government in specific situations to achieve desired outcomes.

Laffer Curve

A theory that suggests there exists an optimal tax rate which maximizes government revenue without deterring economic growth, demonstrating the trade-off between tax rates and taxable income.

Tax Rates

Tax rates are the percentages at which an individual or corporation is taxed, varying by income level, economic activity, or type of good.