Use a graphing calculator or other technology to answer the question. Which quadratic regression equation best fits the data set? Possible answers:
yˆ=56.104x2+6.849x+0.383
yˆ=0.383x2+6.849x+56.104
yˆ=0.383x2−6.849x+56.104
yˆ=0.302x2−6.849x+112.945
Data table:
x y
2 45
5 31
7 28
8 20
11 32
15 41
16 42

Consider the following estimates from the early 2010s of shares of income to each group. country poorest 40% next 30% richest 30% bolivia 10 25 65 chile 10 20 70 uruguay 20 30 50 1.) using the 4-point curved line drawing tool, plot the lorenz curve for bolivia. properly label your curve. 2.) using the 4-point curved line drawing tool, plot the lorenz curve for uruguay. properly label your curve.

Rachel is studying the population of a particular bird species in a national park. she observes every 10th bird of that species that she can find in the park. her conclusion is that the birds living in the park who belong to that species generally feed on insects. rachel's sample is . based on the sample she picked, rachel's generalization is . reset next

Which set of lengths could represent the sides of a triangle? a. 3, 7, 10 b. 4, 5, 10 c. 6, 8, 14 d. 12, 6, 7