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.

Question

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.

Quizplus · Accepted Answer

The Answer of 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.

The Table Displays the Number of Women in the US