Questions from Essentials of Statistics

Q: The data from Exercise 4.70 for number of birdies during

The data from Exercise 4.70 for number of birdies during a tournament and final score for 63 women golfers are on the WeissStats site. a. Decide whether finding a regression line for the data is reaso...

Q: The data from Exercise 4.71 for the ages at inauguration

The data from Exercise 4.71 for the ages at inauguration and of death for the presidents of the United States are on the WeissStats site. a. Decide whether finding a regression line for the data is re...

Q: The data from Exercise 4.72 on domestic and overseas grosses

The data from Exercise 4.72 on domestic and overseas grosses for a random sample of 50 movies are on the WeissStats site. a. Decide whether finding a regression line for the data is reasonable. If so,...

Q: The data from Exercise 4.73 for lot size (in

The data from Exercise 4.73 for lot size (in acres) and assessed value (in thousands of dollars) for a sample of homes in a particular area are on the WeissStats site. a. Decide whether finding a regr...

Q: The data from Exercise 4.74 for home size (in

The data from Exercise 4.74 for home size (in square feet) and assessed value (in thousands of dollars) for the same homes as in Exercise 4.107 are on the WeissStats site. a. Decide whether finding a...

Q: The data from Exercise 4.75 for average high and low

The data from Exercise 4.75 for average high and low temperatures in January for a random sample of 50 cities are on the WeissStats site. a. Decide whether finding a regression line for the data is re...

Q: y = 2 a. find the y-intercept and

y = 2 a. find the y-intercept and slope. b. determine whether the line slopes upward, slopes downward, or is horizontal, without graphing the equation. c. use two points to graph the equation.

Q: The data for shell thickness and concentration of PCBs for 60 Anacapa

The data for shell thickness and concentration of PCBs for 60 Anacapa pelican eggs from Exercise 4.76 are on the WeissStats site. a. Decide whether finding a regression line for the data is reasonable...

Q: We have provided simple data sets for you to practice the basics

We have provided simple data sets for you to practice the basics of finding measures of center. 1, 2, 4, 4 a. mean. b. median. c. mode(s).

Q: The data for per capita income and per capita beer consumption for

The data for per capita income and per capita beer consumption for the 50 states and Washington, D.C., from Exercise 4.77 are on the WeissStats site. a. Decide whether finding a regression line for th...