Make a scatter plot of the data and determine which type of model best fits the data. X - 1 1 -2 3 0 2 linear quadratic exponential square root 8 2 16 0.5 4 1

Hazel has four very short children and wants to predict how tall the kids will be in the future, as they get older she measures their height and finds: Rufus, age 3, 46 cm in height Angus, age 4, 52 cm in height  matilda, age 6, 63 cm in height  Lao age 8, 85 cm in height Round to the nearest integers, what is the regression equation computed from the data

The y intercept in a regression equation is represented by y hat a. True b. Fakse

I need the right answer to a and b.

The data in the table represents the number of new phone calls a company gets each week after opening. Week After Opening Number of Phone Calls 1 80 2 72 3 63 4 58 5 50 Based on a linear model, predict what week the company should expect 35 calls. Only type the whole number answer in the box. Do not type any words in the box.

The table below shows the results from a study that compared speed (in miles per hour) and average fuel economy (in miler per gallon) for cars. Find a quadratic model for the data. Fuel Speed Economy (mph) (mpg) 15 22.3 20 25.5 25 27.5 30 29.0 35 28.8 40 30 45 29.9 50 30.2 55 30.4 60 27.4 28.8 65 70 25.3 y = 25.836x+0.049 y = 13.472x2+0.746x- 0.008 y = -.008x? +0.746x + 13.472 y = 0.049x + 25.836