Better gdp model consider again the post-1950 trend in us, Ask an Expert

Statistics

Better GDP model? Consider again the post-1950 trend in U.S. GDP we examined in given Exercise. Here are a regression and residual plot when we use the log of GDP in the model. Is this a better model for GDP? Explain.

1212_Graph 000.jpg

Exercise :
GDP. The scatterplot shows the gross domestic product (GDP) of the United States in billions of dollars plotted against years since 1950.

2376_Graph 11.jpg

a) Does the value 97.2% suggest that this is a good model? Explain.

b) Here's a scatterplot of the residuals. Now do you think this is a good model for these data? Explain?

396_Graph 22.jpg

View complete question

Statistics and Probability, Statistics

Category:- Statistics and Probability
Reference No.:- M92211299

Have any Question?Write your Review or question?

Related Questions in Statistics and Probability

Let a random sample be taken of size n 64 from a

Let a random sample be taken of size n = 64 from a population with a known standard deviation of 15. Suppose that the mean of the sample is 40. Find the 99% confidence interval for the mean of the population from which t ...

Suppose that in a random sample of 100 men between the ages

Suppose that, in a random sample of 100 men between the ages of 60 and 79, you found that 20 had heart disease. According to the central limit theorem, the sample proportion arises from a sampling distribution that is no ...

If you want to be 95 confident of estimating the population

If you want to be 95?% confident of estimating the population mean to within a sampling error of ±25 and the standard deviation is assumed to be 125?, what sample size is? required?

Emmons corporation has a 02 probability of a return of 054

Emmons Corporation has a 0.2 probability of a return of 0.54, a 0.3 probability of a rate of return of 0.05, and the remaining probability of a 0.1 rate of return. What is the variance in the expected rate of return of E ...

Youre trying to find out how many students who graduate

You're trying to find out how many students who graduate with accounting degrees from large universities are employed at graduation. You design an experiment where you collect information on several variables from recent ...

A doctor wants to predict the birth weight of a newborn

A doctor wants to predict the birth weight of a newborn baby (measured in grams) based on the gestational age (measured in weeks) at the time of birth. The doctor uses 11 data points, with births ranging from 29 weeks to ...

1 you roll a fair four-sided die twice with sides numbered

1. You roll a fair four-sided die twice, with sides numbered 1,2,3 & 4, shaking it well each time before rolling. Let A be the event that your rst role is strictly less than 3 and B be the event that your second role is ...

Plastic sheets made by a machine are periodically monitored

Plastic sheets made by a machine are periodically monitored for fluctuations in thickness. If the true standard deviation in thickness exceeds 2.0 millimeters, there is cause for concern about product quality. Past exper ...

For a population of individuals that has a standard

For a population of individuals that has a standard deviation of 10, what is the standard error of the mean for samples of size (a) 2, (b) 3, (c) 4, (d) 5, (e) 10, (f) 20, (g) 100?

Find the z-score boundary that separates a normal

Find the z-score boundary that separates a normal distribution as described in each of the following: The lowest 20% of scores

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