For Each of the Following, Indicate Whether the Data Are

question 11

Essay

For each of the following, indicate whether the data are cross-sectional or time series:
• Company quarterly profits
• Percentage of Canadian adults who work full time
• Historical closing stock prices

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Definitions:

Chi-square Test

A method of statistical analysis utilized to ascertain the presence of a meaningful relationship between two variables of a categorical nature.

T Test

A statistical test used to compare the means of two groups to determine if there is a significant difference between them.

T Test

A statistical analysis method that contrasts the averages of two groups to ascertain if a substantial disparity exists between the two.

Correlation Coefficients

Statistical measures that indicate the extent to which two variables fluctuate together, showing the strength and direction of their relationship.