General MCQs (Educational Statistics)
General MCQs (Educational Statistics)
These General multiple-choice questions and their answers will help you strengthen your grip on the subject of General. You can prepare for an upcoming exam or job interview with these General MCQs.
So scroll down and start answering.
1: Usually the value of α-level is
A. 0.05
B. 1
C. 1.2
D. 0
2: Abscissa is the _________ axis of a graph.
A. Horizontal
B. Vertical
C. Ordinate
D. Normal
3: P(A U B) = P(A) + P(B) Is additive law?
A. True
B. False
4: The prediction that there will be
A. Effect
B. No effect
C. Any of the above
D. None
5: Arithmetic mean is an alternative name for the mode
A. True
B. False
6: Average is an alternative name for
A. Mean
B. Arithmetic mean
C. Mode
D. A & B
7: Cohen⁵⁰ suggests a maximum value of β-level to be
A. 0.2
B. 0.5
C. 0.7
8: Bar graph is a graph in which a summary statistic (usually the mean) is plotted on the ____ against a categorical variable on the _____
A. X-axis, y-axis
B. Y-axis, x-axis
C. X-axis, z-axis
D. Z-axis, y-axis
9: Values between ________ are considered evidence for the alternative hypothesis that is 'barely worth mentioning'
A. 1 and 5
B. 5 and 10
C. 3 and 7
D. 1 and 3
10: In probability, a Bernoulli trial is a random experiment that has ______ possible outcomes.
A. One
B. Two
C. Three
D. Four
11: Bayes theorem states that
A. True
B. False
12: Between-groups design are dependent designs
A. True
B. False
13: Between-subjects design are independent design
A. True
B. False
14: Bias corrected and accelerated (BCa) confidence interval is a variant of the percentile bootstrap confidence interval that is adjusted for _________ and to be median unbiased.
A. Deviance
B. Probability
C. Skewness
D. à- value
15: Bimodal is a description of a distribution of observations that has two
A. Variables
B. Constants
C. Modes
D. None of the above
16: A sample mean that is not equal to the population mean may be referred to as
A. Biased estimator
B. Unbiased estimator
C. Biserial correlation
D. Bivariate correlation
17: Binary variable is a categorical variable that has exactly two mutually ________ categories
A. Inclusive
B. Exclusive
C. Both
D. None
18: Biserial correlation is a standardized measure of the strength of relationship between two variables when one of the two variables is
A. Monochotomous
B. Dichotomous
C. Trichotomous
D. None of the above
19: Bivariate correlation is a correlation between two
A. Variables
B. Constants
C. Skews
D. Standard deviations
20: Bonferroni correction is a correction applied to the α-level to control the overall Type _____ error rate when multiple significance tests are carried out.
A. I
B. II
C. III
D. IV
21: Bootstrap is a technique for estimating the _____________ of a statistic of interest (e.g., the mean or the b coefficient) by taking repeated samples (with replacement) from the data set.
A. Probability
B. Sampling distribution
C. Standard deviation
D. Skewness
22: A bootstrap sample is constructed by ________ selecting scores from an observed sample of scores
A. Selectively
B. Equally
C. Randomly
D. Non randomly
23: Boredom effect refers to the possibility that performance in tasks may be influenced by boredom/lack of concentration if
A. There are many tasks
B. The task goes on for a long period of time
C. Both of the above
D. None of the above
24: At the center of the boxplot is the
A. Median
B. Mode
C. Outliers
D. Probability
25: Any variable made up of categories of objects/entities is known as
A. Independent variable
B. Dependent variable
C. Continuous variable
D. Categorical variable
26: For small samples the_________ better approximates the shape of the sampling distribution.
A. T-distribution
B. P-distribution
C. Both
D. None
27: Central tendency is a generic term describing a parameter or statistic that represents the centre of a frequency distribution of observations as measured by the
A. Mean
B. Mode
C. Median
D. All of the above
28: Chart refers to information displayed as a
A. Diagram
B. Graph
C. Table
D. Any of the above
29: Superfluous material that distracts from the data being displayed on a graph is known as
A. Bootstrap
B. Boredom effect
C. Chartjunk
D. All of these
30: Chi-square distribution tends to be used to test hypotheses about __________ , and the fit of models to the observed data.
A. Count data
B. Categorical data
C. Binomial data
D. Ordinal data
31: Chi-square test tests whether two categorical variables forming a contingency table are associated.
A. True
B. False
32: When data along an interval or ratio scale of measurement are grouped by dividing the scale into equal portions, these portions are known as
A. Categories
B. Classes
C. Groups
D. Counts
33: The class interval width is the distance from the smallest to the largest value within the interval.
A. True
B. False
34: Classical probability is the sample space divided by the frequency of an event
A. True
B. False
35: Coding is converting a variable measured on a nominal scale (e.g., a categorical variable) to a
A. Numerical variable
B. Continuous variable
C. Qualitative variable
D. None of the above
36: Coefficient of determination is the proportion of__________ in one variable explained by a second variable
A. Variance
B. Sample space
C. Compatibility
D. All of the above
37: In probability theory the probabilities for outcomes are complementary if they sum to
A. 1
B. 2
C. 3
38: Concurrent validity is a form of criterion validity where there is evidence that ______ from an instrument corresponds to concurrently recorded external measures conceptually related to the measured construct.
A. Scores
B. Mean
C. Skewness
D. Probability
39: The probability of an outcome given that some other outcome has already happened is called
A. Theoretical probability
B. Axiomatic probability
C. Experimental probability
D. Conditional probability
40: For a given statistic calculated for a sample of observations, the confidence interval is a range of values around that statistic that are believed to contain, in a certain proportion of samples, the true value of that statistic.
A. True
B. False
41: Confounding variable is a variable that is always measured
A. True
B. False
42: Something that cannot be measured directly but is indicated by things that can be measured directly is known as
A. Sample
B. Content
C. Data
D. Construct
43: Evidence that the content of a test corresponds to the content of the construct it was designed to cover is called
A. Sampling space
B. Content validity
C. Contingency
D. Outcome variable
44: Contingency table is a table representing the cross-classification of two or more
A. Continuous variable
B. Categorical variable
C. Confounding variable
D. All of the above
45: A variable that can be measured to any level of precision is known as
A. Continuous variable
B. Confounding variable
C. Categorical variable
D. Independent variable
46: Correlation coefficient is a measure of the strength of association or relationship between
A. Two variables
B. Multiple variables
C. A variable and a constant
D. None of the above
47: ___________ is a form of research in which you observe what naturally goes on in the world
A. Correlation research
B. Predictive analysis
C. Prescriptive analysis
D. Casual analysis
48: Counterbalancing is a process of systematically varying the order in which experimental conditions are conducted
A. True
B. False
49: Covariance is a measure of the 'average' relationship between two
A. Constants
B. Variable
C. Both
D. None
50: In Bayesian statistics a credible interval is an interval within which a certain percentage of the __________ falls (usually 95%).
A. Posterior distribution
B. Superior distribution
C. Both
D. None
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General MCQs (Educational Statistics)
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