Search Header Logo

ecn1

Authored by Uchral Ganzorig

Education

University

Used 4+ times

ecn1
AI

AI Actions

Add similar questions

Adjust reading levels

Convert to real-world scenario

Translate activity

More...

    Content View

    Student View

62 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

If the coefficient of determination is 95%, then:

95% of the variation in the independent variable is explained by the dependent variable.

95% of the time, the confidence interval is a good estimate.

the regression equation is 95% correct.

95% of the variation in the dependent variable is explained by the independent variable.

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following statements is true for a multiple regression equation?

There is only one dependent variable.

There is only one (Y – Ŷ).

All the regression coefficients must be between -1.00 and 1.00.

The R2 term must be at least .50.

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Регрессийн загварын хувьд регрессийн квадратуудын нийлбэрийг аль томьёогоор олох вэ?

∑(ŷi - ȳ)2

∑(ŷi - yi)2

∑(yi - ȳ)2

∑(ȳ - yi)2

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

∑(yi−y̅)2 гэж тооцоологдох квадратуудын нийлбэр нь регрессийн загварын хувьд дараахаас аль нийлбэрийн томьёо вэ?

Үлдэгдлийн квадратуудын нийлбэр

зөв хариу алга

Регрессийн квадратуудын нийлбэр

Бүтэн квадратуудын нийлбэр

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Yi=B0+B1·Xi  регрессийн тэгшитгэлийн B1 коэффициент ямар утгатай вэ?

Yi  нь нэг нэгжээр өөрчлөгдөхөд Xi нь B1 хэмжээгээр нэмэгдэхийг

Xi  нь нэг нэгжээр өөрчлөгдөхөд Yi нь B0 хэмжээгээр нэмэгдэхийг

Yi  нь нэг нэгжээр өөрчлөгдөхөд Xi нь B0 хэмжээгээр нэмэгдэхийг

Xi  нь нэг нэгжээр өөрчлөгдөхөд Yi нь B1 хэмжээгээр нэмэгдэхийг

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In order to test for the significance of a regression model involving 3 independent variables and 47 observations, the numerator and denominator degrees of freedom (respectively) for the critical value of F are:

2 and 43.

3 and 47.

3 and 43.

47 and 3.

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Regression analysis was applied between demand for a product (y) and the price of the product (x), and the following estimated regression equation was obtained. ŷ =120−10xŷ=120−10x Based on the above estimated regression equation, if price is increased by 2 units, then demand is expected to

decrease by 20 units

increase by 20 units

increase by 120 units

decrease by 10 units

Access all questions and much more by creating a free account

Create resources

Host any resource

Get auto-graded reports

Google

Continue with Google

Email

Continue with Email

Classlink

Continue with Classlink

Clever

Continue with Clever

or continue with

Microsoft

Microsoft

Apple

Apple

Others

Others

Already have an account?