The following scatterplot shows the relationship between the sizes of several condominiums in a newly developed building in Jersey City, measured in 100 square feet, and the associated listing prices, expressed in thousands of dollars, where y = sale price and x = size. How should the slope of the linear trend line, y = 12.15 + 44.7x, be interpreted? Size vs. Sale Price in Jersey City Listing Sale Price in $1000 800 600 400 200 7 8 y = 12.15+44-7 x w 9 10 11 Condo Size in 100 sq. ft. For every additional square foot the price of the apartment increases by $44.70 12 13 The apartments are priced at roughly $121.50 per square foot For every additional 100 square feet the price of the apartment increases by $44,700 A buyer should expect a 1000 square foot apartment to sell for roughly $44,712.15 For every additional 100 square feet the price of the apartment increases by $12,150

A university would like to examine the linear relationship between a faculty​ member's performance rating​ (measured on a scale of​ 1-20) and his or her annual salary increase. The table to the right shows these data for eight randomly selected faculty members. Complete parts a and b.

In the following scatterplots, find an equation of the trend line pictured. а. 3- a. Choose an equation below. 2- 1 A. y= - 7x* 10 - EX +E -3 1 В. у3 —х- 10 3 1 -2- O C. y= -x+ 10 -3- 4 O D. y= 7x- 10

The following data represents the prices of gasoline in the United States from 2004 to 2010.                                                     YEAR                     GAS PRICE                                                     2004                          $1.88                                                     2005                          $2.30                                                     2006                          $2.59                                                     2007                          $2.80                                                     2008                          $3.27                                                     2009                          $2.35                                                     2010                          $2.79   Construct a line graph as if you were a representative of the oil company. EXPLAIN THE REASONING for your construction. Construct a line graph as if you were representing a consumer advocacy group.…