Question

Question 16 The error term ε in a regression model represents o a. a random error in the data. o b.unsystematic variation inQuestion 14 Which of the following best describes the relationship between cost and accuracy in forecasting? a. low cost methQuestion 13 On average, the differences between the actual and predicted values of Y o a. are equal to bo o b.sum to an unkno

0 1
Add a comment Improve this question Transcribed image text
Answer #1

the correct option is

The error term e in a regression model represents

A random error in the data.

Which of the following best describes the relationship between cost and accuracy in forecasting?

there is a trade-off between cost and accuracy

On average, the differences between the actual and predicted values of Y

sum to zero

Add a comment
Know the answer?
Add Answer to:
Question 16 The error term ε in a regression model represents o a. a random error...
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Not the answer you're looking for? Ask your own homework help question. Our experts will answer your question WITHIN MINUTES for Free.
Similar Homework Help Questions
  • 1. a. At any given combination of values , the assumptions for the multiple regression model...

    1. a. At any given combination of values , the assumptions for the multiple regression model require that the population of potential error term values has? b. What is the point estimate for the constant variance? c.Which of the following is the sum of the squared differences between the predicted values of the dependent variable and the mean of the dependent variable, the explained variation? d.The null hypothesis for the overall F-test states that: At least one ββis not equal...

  • 1. Which of the following best describes the relationship between cost and accuracy in forecasting? a....

    1. Which of the following best describes the relationship between cost and accuracy in forecasting? a. low cost methods are always less accurate b. statistical methods are more costly and more accurate c. there is a trade‑off between cost and accuracy d. cost should not be considered in business forecasting 2. Decision models are applicable when a. there is only one alternative b. there are multiple states of nature c. there is only one state of nature d. there are...

  • In the simple linear regression equation, (y a+ bx+ e), the a is the... O A....

    In the simple linear regression equation, (y a+ bx+ e), the a is the... O A. independent variable O B. slope of the fitted line C. dependent variable O D.y-intercept Reset Selection Question 2 of 5 1.0 Points In the simple linear regression equation, (y a+bx+ e) the y is the O A. independent variable O B. dependent variable O C. slope of the fitted line D. y-intercept Question 3 of 5 1.0 Points The R2 for a regression model...

  • 18. Regarding the standard error of the estimate (SEE or Sy/x)-more than one answer may be correct a. The SEE describes the dispersion of x, y points around the regression line b. If the random e...

    18. Regarding the standard error of the estimate (SEE or Sy/x)-more than one answer may be correct a. The SEE describes the dispersion of x, y points around the regression line b. If the random errors for both methods are identical, the SEE will be approximately 1.4 times a typical SD c. The SEE is used to evaluate the accuracy of a method based on hemolysis and lipemia interference experiments The SEE is sensitive to random error d. 18. Regarding...

  • D Question 7 2 pts Only coefficients with a large standard error can be statistically significant....

    D Question 7 2 pts Only coefficients with a large standard error can be statistically significant. True False D Question 8 1 pts If you estimate a regression model and the R-square is 0.50, how much of the variation in the dependent variable is explained by the independent variables O 10% O 25% 50% О 100%

  • This Question: 5 pts 9 of 9 (1 comp Suppose that you run a regression and...

    This Question: 5 pts 9 of 9 (1 comp Suppose that you run a regression and R-squared turns out to be 0035. Which of the following statements is the best explanation of the ? A) 3.5% of the accident damage can be explained by the age of the driver. B) 3.5% of the variation in accident damage can be explained by variation in the age of the driver C) 3.5% of the coefficients, t-stat, and p-value can be explained by...

  • QUESTION 1 Consider the following OLS regression line (or sample regression function): wage =-2.10+ 0.50 educ...

    QUESTION 1 Consider the following OLS regression line (or sample regression function): wage =-2.10+ 0.50 educ (1), where wage is hourly wage, measured in dollars, and educ years of formal education. According to (1), a person with no education has a predicted hourly wage of [wagehat] dollars. (NOTE: Write your answer in number format, with 2 decimal places of precision level; do not write your answer as a fraction. Add a leading minus sign symbol, a leading zero and trailing...

  • ek-tin Based on the following regression output, what proportion the total variation in Y is explained...

    ek-tin Based on the following regression output, what proportion the total variation in Y is explained by X? Regression Statistics Multiple R 0.917214 R Square 0.841282 Adjusted R Square 0.821442 Standard Error 9.385572 Observations 10 ANOVA di SS MS Significance F 1 Regression 3735.3060 3735.30600 42.40379 0.000186 Residual 8 704.7117 88.08896 9 Total 4440.0170 Coefficients Standard Error t Stat P-value Lower 95% Intercept 31.623780 10.442970 3.028236 0.016353 7.542233 X Variable 1.131661 0.173786 6.511819 0.000186 0.730910 o a. 0.917214 o b.9.385572...

  • please help me answer these questions completley and obviously. I depend on it. thank you An...

    please help me answer these questions completley and obviously. I depend on it. thank you An agent for a real estate company in a large city would like to be able to predict the monthly rental cost for apartments, based on the size of the apartment, as defined by square footage. A sample of eight apartments in a neighborhood was selected, and the information gathered revealed the data shown below. For these data, the regression coefficients are bo =309.0128 and...

  • Use the Regression tool on the accompanying wedding data, using the wedding cost as the dependent...

    Use the Regression tool on the accompanying wedding data, using the wedding cost as the dependent variable and attendance as the independent variable. Complete parts a through c. Click the icon to view the wedding data. a. What is the regression model? Wedding Cost =+Attendance (Round to three decimal places as needed.) b. Interpret all key regression results, hypothesis tests, and confidence intervals in the regression output from part a. Interpret the slope of the regression equation. Choose the correct...

ADVERTISEMENT
Free Homework Help App
Download From Google Play
Scan Your Homework
to Get Instant Free Answers
Need Online Homework Help?
Ask a Question
Get Answers For Free
Most questions answered within 3 hours.
ADVERTISEMENT
ADVERTISEMENT
ADVERTISEMENT