A Psychologist Has Designed a New Intelligence Test

question 61

Multiple Choice

A psychologist has designed a new intelligence test. Historically, time to complete the old test was an average of 120 minutes. With the altered format of the test, the psychologist claims that the time to complete the test is no longer 120 minutes. A sample of 50 new test taking times yielded an average time of 118 minutes. The population standard deviation is known to be 5 minutes
-How much evidence do we have to reject the null hypothesis?

• A)No evidence
• B)Some evidence
• C)Strong evidence
• D)Very Strong evidence
• E)Extremely Strong evidence

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Definitions:

Multiplier

A quantitative measure that indicates the proportional amount by which aggregate output is expected to increase following an injection of public spending or investment.

Multiplier

A factor by which an initial change in spending will alter total economic output by a greater amount.

National Debt

The cumulative amount of money that a government owes to creditors, both domestic and foreign, as a result of borrowing to cover budget deficits.

National Debt

National debt is the total amount of money that a country's government has borrowed, through various means, including foreign governments and domestic investors.