# Analysis Of Variance

15 Questions | Total Attempts: 5625  Settings  This test is on the topic Analysis of Variance, subject Quantitative Models in HR. It is a multiple- choice test. Questions: 15 questions Marks: 30Time: 45 mins Remember: You need to click on Submit Answer after selecting an option for each question. Click on Start Quiz to begin

• 1.
The number of rows in which total variance in a one way analysis of variance partitioned is:
• A.

2

• B.

3

• C.

4

• D.

None of the above

• 2.
The number of rows in which total variance in a two way analysis of variance partitioned is:
• A.

2

• B.

3

• C.

4

• D.

None of the above

• 3.
Any difference among the population means in the analysis of variance will inflate the expected value of
• A.

SSE

• B.

MS Columns

• C.

MSE

• D.

All of the above

• 4.
If data in a two way classification is displayed in r rows and k columns, then the degrees of freedom for interaction will be
• A.

R-1

• B.

k-1

• C.

R(k-1)

• D.

(r-1)(k-1)

• 5.
The degrees of freedom for k columns of size n will be
• A.

k-1

• B.

n-1

• C.

nk-1

• D.

none of these

• 6.
The degrees of freedom associated with the denominator (r row & k column) of  F-test in the analysis of variance one way are
• A.

k(r-1)

• B.

n(k-1)

• C.

nk-1

• D.

None of these

• 7.
The sum of squares due to column factor for one way analysis of variance is given by:
• A.

SST+ SSE

• B.

SSE-SST

• C.

SST-SSE

• D.

None of these

• 8.
The error sum of squares in a one way analysis of variance is given by
• A.

∑∑ (xij - x j )2

• B.

∑∑X2 ij – n (x)2

• C.

∑∑ (xij – x) 2

• D.

None of these

• 9.
The error sum of squares can be obtained from the equation in 2 way ANOVA
• A.

SSE = SST+ SSR + SSC

• B.

SSE= SSR + SSC – SST

• C.

SSE= SST – SSR – SSC

• D.

None of these

• 10.
The degrees of freedom for the error sum of squares in 2 way ANOVA
• A.

(k-1)(r-1)

• B.

Rk-r -k

• C.

rk-r -k+1

• D.

None

• 11.
Which of these distributions is used for accepting Ho
• A.

Binominal

• B.

Chi- Square

• C.

Poisson

• D.

None of these

• 12.
To test equality of means of more than 2 populations which of the following techniques is used
• A.

Interval estimate

• B.

Analysis of variance

• C.

Chi-square test

• D.

None of these

• 13.
Which of the following assumptions of ANOVA can be discarded in case the sample size is large
• A.

Each population has equal variance

• B.

Samples are drawn from a normal population

• C.

Both(a ) and (b)

• D.

none of these

• 14.
Test statistic for equality of r population means is
• A.

MSC / MSE

• B.

MSC/ MST

• C.

SSC / SST

• D.

None of these

• 15.
One way ANOVA was conducted for 4 columns with 6 elements in each column. What is decision?Due to column factor  Source of Veriation SS df MS F Calc Critical Due to column factor 33       3.098 Error           Total 145
• A.

Accept + Ho

• B.

Reject Ho

• C.

Test is inappropriate

• D. Back to top