In the test of Table 1

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

Quiz
•
Mathematics
•
University
•
Hard

Tatiana Mihou
Used 1+ times
FREE Resource
20 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
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
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
In the analysis of Table 2, we test for
H0: μ1=μ2=μ3=μ4 vs H1: μ1≠μ2≠μ3≠μ4
H0: σ1=σ2=σ3=σ4 vs H1: σi≠σj for some i,j=1,2,3,4 and i≠j
H0: μ1=μ2=μ3=μ4 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
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
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
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
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