Twenty-one young men got a quote for the cost of a car insurance policy. The policy cost and ages of the men

are shown in the scatter plot.

Information about the linear regression (line of best fit)

is also given.

a) Select all the statements that are true based on the

scatter plot.

Rewrite the following quadratic functions in intercept or factored form. show your work. f(x) = 3x^2 - 12

Astudy was interested in determining if eating milk chocolate lowered someone's cholesterol levels. ten people's cholesterol was measured. then, each of these individuals were told to eat 100g of milk chocolate every day and to eat as they normally did. after two weeks, their cholesterol levels were measured again. is there evidence to support that their cholesterol levels went down? how should we write the alternative hypothesis? (mud = the population mean difference= before - after)a. ha: mud = 0b. ha: mud > 0c. ha: mud < 0d. ha: mud does not equal 0

Rounded to the nearest tenth, what is the value of x