Here Are Some Summary Statistics for the Recent English Exam $\text { score } = 36 \text {, }$

question 45

Multiple Choice

Here are some summary statistics for the recent English exam: lowest $\text { score } = 36 \text {, }$ mean $\text { score } = 71 \text {, }$ $\text { median } = 85.2 \text {, }$ $$\text { range } = 74 \text {, }$$ $\mathrm { IQR } = 61 \text {, }$ $\mathrm { Q } 1 = 28 \text {, }$ standard deviation = 8.3.Is the distribution symmetric,skewed to the left,or skewed to the right? Explain.

• A)Skewed to the right; mean higher than median.
• B)Symmetric; mean lower than median.
• C)Skewed to the left; mean lower than median.
• D)Skewed to the right; mean lower than median.
• E)Skewed to the left; mean higher than median.

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Definitions:

Fixed Cost

Expenses that do not change with the level of production or sales, such as rent, salaries, and insurance.

Marginal Costs

The increase in cost due to the production of one further unit of a product or service.

Total Cost Function

An equation that shows the overall cost incurred by a firm in the production process, including both fixed and variable costs, as a function of the quantity of output produced.

Fixed Cost

Business expenses that remain constant regardless of the level of production or sales, such as rent, salaries, and insurance premiums.