The Mean Test Score on a Statistics Test Was 72

question 14

Multiple Choice

The mean test score on a statistics test was 72 with a standard deviation of 10.How many standard deviations from the mean is a test score of 90?

• A)1.80 standard deviations above the mean
• B)1.80 standard deviations below the mean
• C)0.69 standard deviations above the mean
• D)0.80 standard deviations above the mean
• E)0.69 standard deviations below the mean

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Definitions:

Plant Assets

Long-term tangible assets that are used in the operation of a business and are not intended for sale.

Transactions

The economic events of a business that are recorded by accountants.

Revenues and Expenses

Financial metrics reflecting the income earned from normal business operations and the costs incurred to generate that income, respectively.

Operating Activities

Business actions directly related to the production and delivery of goods and services, generating the company’s primary revenue.