Betsy is interested in predicting how many 75-year-olds, Ask an Expert

Statistics

Betsy is interested in predicting how many 75-year-olds will develop Alzheimer's disease and is using level of education and general physical health graded on a scale from 1 to 10 as predictors. But she is interested in using other predictor variables as well. Answer the following questions.

a. What criteria should she use in the selection of other predictors? Why?

b. Name two other predictors that you think might be related to the development of Alzheimer's disease.

c. With the four predictor variables (level of education, general physical health, and the two new ones that you name), draw out what the model of the regression equation would look like.

View complete question

Statistics and Probability, Statistics

Category:- Statistics and Probability
Reference No.:- M9990920

Have any Question?Write your Review or question?

Related Questions in Statistics and Probability

Let x be a continuous random variable suppose that we know

Let X be a continuous random variable. Suppose that we know that Pr(X 5), and how do you know? (Hint: X is not necessarily normally distributed, but you can still consider how much area is under the curve, no matter the ...

A project has an initial outlay of 2034 it has a single

A project has an initial outlay of $2,034. It has a single cash flow at the end of year 6 of $4,743. What is the internal rate of return (IRR) for the project? Round the answer to two decimal places in percentage form.

A study indicates that the weights of adults are normally

A study indicates that the weights of adults are normally distributed with a mean of 140 lbs and a standard deviation of 25 lbs. Find a value of weight x such that only 20% of adults weigh less than that. A. 136 B.190 ...

A survey asks 20002000 workers has the economy forced you

A survey asks 20002000 ?workers, "Has the economy forced you to reduce the amount of vacation you plan to take this? year?" FiftyFifty?-fourfour percent of those surveyed say they are reducing the amount of vacation. Twe ...

1 the r-squared of a linear regression model is equal to

1) The R-squared of a linear regression model is equal to the proportion of the variance of the target explained by a linear regression model. 2). The R-squared of a linear regression model is equal to the proportion of ...

1 the consultants estimated the required rate of return was

1. The consultants estimated the required rate of return was 13.635% 2. The Beta of Poorside's equity was 0.7, the market return was 20% and the risk-free rate was 12% 3. The interest rate on debentures was 13% per annum ...

In a multiple choice exam there are 5 questions and 4

In a multiple choice exam, there are 5 questions and 4 choices for each question (a, b, c, d). Nancy has not studied for the exam at all and decides to randomly guess the answers. What is the probability that: (a) the fi ...

In the game of roulette a player can place a 7 bet on the

In the game of? roulette, a player can place a ?$7 bet on the number 18 and have a 1/38 probability of winning. If the metal ball lands on 18?, the player gets to keep the ?$7 paid to play the game and the player is awar ...

What is correct alternative hypothesis for the claim that

What is correct alternative hypothesis for the claim that the average professional basketball player is at least 6' 9" tall. And Answer "True" if the statement is always true. If the statement is not always true, replace ...

The distribution of heights of adult american women is

The distribution of heights of adult American women is approximately normal with a mean of 64 inches and standard deviation of 2 inches. What percent of women is taller than 68 inches?

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