The Table Displays the Number of Women in the US

question 48

Essay

The table displays the number of women in the US House of Representatives for selected years from 1980 through 2008.
a. Use your calculator to determine the line of best fit for these data, where x is the number of years since 1980. Round all coefficients to 4 decimal places.
b. What is the correlation coefficient, r? What does it mean about whether this line is a good fit for these data? Explain.
c. Give the slope of the line and explain what it means.
d. Use this equation to predict the number of women in the House of Representatives in the year 2013.

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Definitions:

Indirect Method

A technique used in cash flow analysis to adjust net income by changes in non-cash accounts to arrive at cash provided by operating activities.

Accumulated Depreciation

The total amount of depreciation expense that has been recorded for an asset since it was acquired, used to reduce the asset's book value over time.

Intangible Assets

Non-physical assets that provide economic benefits to a company, such as patents, trademarks, goodwill, and copyrights.

Issuance of Bond

The process through which a bond is created and sold to investors, thus raising capital for the issuer.