In Recent Years,Statistics Canada Has Released Two Special (Supplementary)unemployment Rates

question 15

Multiple Choice

In recent years,Statistics Canada has released two special (supplementary) unemployment rates that include estimates of the number of discouraged and part-time workers.The official unemployment rate,along with the two supplementary rates,is shown in the chart for the period 1997 to 2006.

-The evidence in the chart indicates that the

• A) problem of discouraged workers is insignificant.
• B) problem of part-time workers is insignificant.
• C) number of part-time workers and discouraged workers is insignificant.
• D) problem of discouraged workers and part-time workers is fairly significant.
• E) problem of discouraged workers and part-time workers is decreasing significantly.

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Definitions:

Random Variables

A variable whose values depend on outcomes of a random phenomenon, with each outcome having a corresponding probability.

Coefficient of Determination

A measure used in statistical models to indicate the proportion of the variance in the dependent variable that is predictable from the independent variable(s).

Regression Line

A line of best fit through a scatter plot of data points in linear regression, representing the relationship between the independent and dependent variables.

SSR

Sum of Squared Residuals; it quantifies the variance in observed values that is not explained by the predictive model.