A Researcher Wants to Conduct a Before/after Study on 11

question 5

Multiple Choice

A researcher wants to conduct a before/after study on 11 subjects to determine if a treatment results in any difference in scores.The null hypothesis is that the average difference is zero while the alternative hypothesis is that the average difference is not zero.Scores are obtained on the subjects both before and after the treatment.After subtracting the after scores from the before scores, the average difference is computed to be -2.40 with a sample standard deviation of 1.21.A 0.05 level of significance is selected.Assume that the differences are normally distributed in the population.The table t value for this test is ___.

• A)1.812
• B)2.228
• C)2.086
• D)2.262
• E)3.2467

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Definitions:

Asset Prices

The monetary value assigned to financial and non-financial assets in the marketplace, including stocks, bonds, real estate, and commodities.

Inflation Expectations

The anticipations of consumers and businesses about the rate at which prices for goods and services will rise in the future.

Unemployment

The situation when individuals who are actively seeking work are unable to find employment.

Sacrifice Ratio

The cost of reducing inflation in terms of the amount of output or gross domestic product that is foregone.