Determine the coefficient of correlation. interpret the, Ask an Expert

Statistics

1. A study was conducted to investigate the relationship between age (in years) and BAC (blood alcohol concentration) measured when convicted DWI (driving while intoxicated) jail inmates were first arrested. Sample data are given below for randomly selected subjects.

Age 17.2 43.5 30.7 53.1 37.2 21.0 27.6 46.3

BAC 0.19 0.20 0.26 0.16 0.24 0.20 0.18 0.23

a. Police want to predict BAC based on age at first arrest. Which variable is the dependent variable? Which variable is the independent variable?

b. Draw and interpret the information contained in a scatter diagram.

c. Determine the coefficient of correlation.

d. Interpret the relationship between BAC and age using the correlation coefficient.

e. Determine the coefficient of determination. Interpret.

View complete question

Statistics and Probability, Statistics

Category:- Statistics and Probability
Reference No.:- M9366982

Have any Question?Write your Review or question?

Related Questions in Statistics and Probability

If an urn1 contains 6purle balls and 4red balls and urn2

If an Urn1 contains 6purle balls and 4red balls. And Urn2 contains 4purple balls and 6 red balls. Urn3 contains 4purple balls and 5red balls. If one of the urns is selected at random and a ball is drawn, what is the prob ...

1 this table summarizes the results from

1) This table summarizes the results from along+termrandomized clinicaltrial to determine whether aspirin reduces the risk of heart attack. Researchers randomly assigned a large sample of healthy male physicians (22,07 ...

An electronics store receives a shipment of 37 graphing

An electronics store receives a shipment of 37 graphing calculators, including 5 that are defective. Eight calculators are chosen at random to be sent to a local high school. How many selections contain 3 defective?

Past data from a specialized lung cancer clinic show that

Past data from a specialized lung cancer clinic show that 10% of patients entering the clinic have lung cancer. Data also shows 5% of the patients are smokers. Additionally, it is found that 7% of the patients are smoker ...

A bottle of water is supposed to have 12 ounces the

A bottle of water is supposed to have 12 ounces. The bottling company has determined that 98% of bottles have the correct amount. Which of the following describes a binomial experiment that would determine the probabilit ...

1 table 1016 contains the value of the house and the amount

1 Table #10.1.6 contains the value of the house and the amount of rental income in a year that the house brings in ("Capital and rental," 2013). Create a scatter plot and find a regression equation between house value an ...

A suppose you purchase a 3-year zero-coupon bond with face

(a) Suppose you purchase a 3-year zero-coupon bond with face value of $1000 and a price of $850. What is the bond's yield? If you hold the bond to maturity, what will be your effective annual return? (b) Now suppose you ...

The accompanying table presents the number of individuals

The accompanying table presents the number of individuals by smoking and disease status. What are the odds that a smoker will get Disease A? That a nonsmoker will get disease A? What is the odds ration? Disease A Smokin ...

In a recent year 8032844 male students and 9381579 female

In a recent year, 8,032,844 male students and 9,381,579 female students were enrolled as undergraduates. Receiving aid were 64.1% of the male students and 65.7% of the female students. Of those receiving aid, 41% of the ...

The average price of a television on a certain web site is

The average price of a television on a certain Web site is ?$760. Assume the price of these televisions follows the normal distribution with a standard deviation of ?$190. Complete parts a through d below. What is the pr ...

4,153,160 Questions Asked
13,132 Experts
2,558,936 Questions Answered

Ask Experts for help!!

Looking for Assignment Help?

Start excelling in your Courses, Get help with Assignment

Write us your full requirement for evaluation and you will receive response within 20 minutes turnaround time.

Ask Now Help with Problems, Get a Best Answer

Recent Questions

Ask Statistics and Probability Expert