Allama Iqbal Open University
8614 Quiz With Right Answers
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B.ed Code 8614 Solved Quiz
26. Data
for the bar charts may be entered in:
a) Columns (Right Answer)
b) Rows
c) Table
d) None of these
27. A
bimodal shape has the _________ peaks.
a.
Two (Right Answer)
b.
Three
c.
Four
d.
Five
28. Which
one of the following is not probability sampling?
a.
Simple
random sampling
b.
Systematic
sampling
c.
Stratified
sampling
d.
Judgment sampling (Right Answer)
29. A
variable that is used to explain the relationship between variable: a) Binary variable
b) Independent variable
c) Random variable
d) Intervening variable (Right
Answer)
30. Histograms
are used for the data that is.
a.
At least ordinal level of
measurement (Right Answer)
b.
At
most ordinal of measurement
c.
At
any level of the measurement
d.
None
of these
31. To
make the chi-square approximation valid, there is requirement of sufficient
a.
Sample (Right Answer)
b.
Population
c.
Data
d.
Literature
32.
There are 55% students having black eye
colour in a class of 40, thus they are
in total a) 28
b) 22 (Right Answer)
c) 11
d) 05
33.
Graph of the frequency distribution is known as,
a) Histogram (Right Answer)
b) Multiple bar chart
c) Sub-divided bar chart
d) None of these
34.
Which of the following statements is true for
correlation analysis? a) It is a bivariate analysis
b) It is a multivariate analysis
c) It is a univariate analysis
d) Both A and B (Right Answer)
35.
In a study, subjects are randomly assigned to one
of three groups: control, experimental A, or experimental B, after treatment,
the mean scores for the three groups are compared. The appropriate statistical
test for comparing these means is:
a) The correlation coefficient
b) Chi square
c) The t-test
d) The analysis of variance (Right
Answer)
36.
The chi-square distribution are always
___________ skewed.
a) Right (Right Answer)
b) Up
c) Left
d) Down
37.
Analysis of variance is a statistical method of
comparing the ________ of several populations.
a) Standard deviations
b) Variances
c) Means (Right Answer)
d) Proportions
38.
As variability due to chance decreases, the value
of F will
a) Increase (Right Answer)
b) Stay the same
c) Decrease
d) Can’t tell form the given information
39.
_________ (the measure of central tendency) is
affected by extreme scores in a dataset.
a) Mean (Right Answer)
b) Median
c) Mode
d) Range
40.
A uniform distribution often means that the
number of classes is too, a) Large
b) Different
c) Same
d) Small (Right Answer)
41.
T-test is used for comparing ________ values of
two data sets;
a) Mean (Right Answer)
b) Standard deviation
c) Variance
d) None of these
42.
As the sample size increases the shape of the
distribution approaches to; a) T-distribution
b) Normal-distribution (Right
Answer)
c) Chi-square distribution
d) F-distribution
43.
All data points falling along a straight line is
called:
a) Linear relationship (Right
Answer)
b) Non-linear relationship
c) Residual
d) Scatter diagram
44.
In simple linear regression, the numbers of
unknown constants are: a) One
b) Two (Right Answer)
c) Three
d) Four
45.
The method of least squares dictates that we
choose a regression line where the sum of the square of deviations of the
points from the lie is: a) Maximum
b) Minimum (Right Answer)
c) Zero
d) Positive
46.
What divides the data in the two equal halves:
a) Mean
b) Media (Right Answer)
c) Mode
d) Geometric mean
47.
__________ of a dataset is the middle value when
the dataset is arranged in ascending or descending order.
a) Mean
b) Median (Right Answer)
c) Standard deviation
d) Variance
48.
If the value of any regression coefficient is
zero, then two variables are: a) Qualitative
b) Correlation
c) Dependent
d) Independent (Right Answer)
49.
What do ANOVA calculate?
a) R ratios
b) F ratios (Right Answer)
c) Mann whitney
d) Z-scores
50.
Which one is considered the best measure of
dispersion in social sciences?
a) Standard deviation (Right Answer)
b) Quartile deviation
c) Range
d) Mean deviation
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