Shown Below Are the Histogram and Summary Statistics for the Reading

question 3

Multiple Choice

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

Which measures of centre and spread would you use for this distribution?

• A)Mean and standard deviation,because the data is symmetric.
• B)Median and IQR,because the data is skewed to the left.
• C)Mean and standard deviation,because the data is skewed to the left.
• D)Mean and IQR,because the data is skewed to the left.
• E)Median and standard deviation,because the data is skewed to the left.

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Definitions:

Residual Value

The estimated value that an asset will have at the end of its useful life, often considered for depreciation calculations.

Depreciation Expense

The allocation of the cost of a tangible asset over its useful life to represent the loss of value over time.