Data Analysis with R (M.Sc.) - 1

Data Analysis with R (M.Sc.) - 1

University

20 Qs

quiz-placeholder

Similar activities

Random Variables

Random Variables

11th Grade - University

20 Qs

Proportions

Proportions

12th Grade - University

20 Qs

Hypothesis Testing

Hypothesis Testing

University

16 Qs

Which Inference Procedure?

Which Inference Procedure?

9th Grade - University

15 Qs

Inference for Means AP STA

Inference for Means AP STA

12th Grade - University

20 Qs

Hypothesis Testing One Sample

Hypothesis Testing One Sample

University

15 Qs

Hypothesis Testing

Hypothesis Testing

University

18 Qs

AP Stats Inferences for Means

AP Stats Inferences for Means

12th Grade - University

20 Qs

Data Analysis with R (M.Sc.) - 1

Data Analysis with R (M.Sc.) - 1

Assessment

Quiz

Mathematics

University

Hard

Created by

Tatiana Mihou

Used 1+ times

FREE Resource

20 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

In the test of Table 1

We reject H1 for α=5%

We do not reject the alternative hypothesis for α=5%

We reject the null hypothesis for α=1%

We accept the null hypothesis for α=1%

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

From Table 1, the p-value is

0.05

0.0123

0.00123

1.23%

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

From Table 1, the final conclusion is that

Area and salary are independent

Area and salary are associated

Area and salary are disconnected

Area and salary are linearly correlated

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

In the analysis of Table 2, we test for

H0: μ1234 vs H1: μ1≠μ2≠μ3≠μ4

H0: σ1234 vs H1: σi≠σj for some i,j=1,2,3,4 and i≠j

H0: μ1234 vs H1: μi≠μj for some i,j=1,2,3,4 and i≠j

H0: M1=M2=M3=M4 vs H1: Mi≠Mjfor some i,j=1,2,3,4 and i≠j

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

From Table 2 and for α=5%, we reach the conclusion that:

the median salary does not differ for different areas

the mean salary does not differ between different areas

the median salary differs between different areas

the variance of the salary differs between different areas

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

From Table 3, the mean of Europe (baseline/reference level)

differs from the rest of the world by 53.975 units

differs from Zurich by 53.975 units

is equal to 53.975

None of the other answers is correct

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

The effect of America from Table 3 shows that

Europe (intercept) is higher by 20.92 units on average

that the mean of America is equal to 20.92

Europe (intercept) is lower by 20.92 units on average

None of the rest answers is correct

Create a free account and access millions of resources

Create resources
Host any resource
Get auto-graded reports
or continue with
Microsoft
Apple
Others
By signing up, you agree to our Terms of Service & Privacy Policy
Already have an account?