Statistics (Social and Behavioral Sciences) MCQs
Statistics (Social and Behavioral Sciences) MCQs
These Statistics (Social and Behavioral Sciences) multiple-choice questions and their answers will help you strengthen your grip on the subject of Statistics (Social and Behavioral Sciences). You can prepare for an upcoming exam or job interview with these 80+ Statistics (Social and Behavioral Sciences) MCQs.
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1: Bivariate Plot refer to the x and y coordinates for each plot in a _____
A. Pie Chart
B. Dot plot
C. Scatter Plot
D. Bubble Chart
2: Coefficient of Determination is mathematically equivalent to_____
A. Phi
B. Eta
C. Eta-squared
D. All of these
3: Coefficient of Determination is mathematically equivalent to_____
A. Phi
B. Eta
C. Eta-squared
D. All of these
4: An unanticipated variable not accounted for in a research study that could be causing or associated with observed changes in one or more measured variables is known as_____
A. Third Variable
B. Confound Variable
C. Dependent Variable
D. Both a and b
5: Correlation is a statistical procedure used to describe the_____ of the linear relationship between two factors.
A. Strength
B. Direction
C. Illustration
D. Both a and b
6: The value of Correlation Coefficient ranges from _____
A. −1.0 to +1.0
B. −0.1 to +1.0
C. −1.0 to +10
D. −10 to +1.0
7: The closer data points fall to the regression line, the more that values of two factors _____together.
A. Resemble
B. Vary
C. Remain unaffected
D. Both a and b
8: Data Points are the x and y coordinates for each plot in a scatter plot.
A. True
B. False
9: Homoscedasticity is the assumption that there is _____ along the regression line.
A. Equal Variance
B. Equal scatter of data points
C. Straight line pattern of data
D. Both a and b
10: Linearity is the assumption of _____
A. Equal Variance
B. Equal scatter of data points
C. Straight line pattern of data
D. All of these
11: Linearity is the assumption of _____
A. Equal Variance
B. Equal scatter of data points
C. Straight line pattern of data
D. All of these
12: A negative value of r, which indicates that the values of two factors change in similar directions.
A. True
B. False
13: A negative value of r, which indicates that the values of two factors change in similar directions.
A. True
B. False
14: Pearson Correlation Coefficient is a measure of the direction and strength of the linear relationship of two factors in which the data for both factors are measured on _____ scale of measurement.
A. Interval
B. Ratio
C. Nominal
D. Both a and b
15: A measure of the direction and strength of the linear relationship of two factors in which the data for both factors are measured on an interval or ratio scale of measurement is known as_____
A. Pearson Product-Moment Correlation Coefficient
B. Phi Correlation Coefficient
C. Point-Biserial Correlation Coefficient
D. None of these
16: Phi Correlation Coefficient is a measure of the direction and strength of the linear relationship of two dichotomous factors on a _____ scale of measurement.
A. Interval
B. Ratio
C. Nominal
D. Both a and b
17: _____ is a measure of the direction and strength of the linear relationship of one factor that is continuous and a second factor that is dichotomous.
A. Pearson Product-Moment Correlation Coefficient
B. Phi Correlation Coefficient
C. Point-Biserial Correlation Coefficient
D. None of these
18: In Positive Correlation as the values of one factor increase, the values of the second factor _____
A. Increases
B. Decreases
C. Remains unchanged
D. All of these
19: Regression Line is the best-fitting_____ line to a set of data points.
A. Curvy
B. Zig-zag
C. Spiral
D. Straight
20: Restriction of Range is a problem that arises when the range of data for one or both correlated factors in a sample is limited or restricted, compared to the range of data in the population from which the sample was selected.
A. True
B. False
21: Reverse Causality is a problem that arises when the direction of causality between two factors can be _____
A. In forward direction
B. In backward direction
C. In either direction
D. No direction
22: Reverse Causality is a problem that arises when the direction of causality between two factors can be _____
A. In forward direction
B. In backward direction
C. In either direction
D. No direction
23: Scatter Gram is a _____ display of discrete data points (x, y) used to summarize the relationship between two variables.
A. Graphical
B. Numerical
C. Dotted
D. None of these
24: A graphical display of discrete data points (x, y) used to summarize the relationship between two variables is known as_____
A. Scatter Plot
B. Scattergram
C. Histogram
D. Both a and b
25: A measure of the direction and strength of the linear relationship of two ranked factors on an ordinal scale of measurement is known as_____
A. Spearman’s Rho
B. Spearman Rank-Order Correlation Coefficient
C. Pearson Product-Moment Correlation Coefficient
D. Both a and b
26: Spearman’s Rho is a measure of the direction and strength of the linear relationship of two ranked factors on an _____ scale of measurement.
A. Ordinal
B. Ratio
C. Nominal
D. All of these
27: To compute Sum of Products,_____ the deviation of each X value by the deviation of each Y value.
A. Add
B. Subtract
C. Divide
D. Multiply
28: An unanticipated variable not accounted for in a research study that could be causing or associated with observed changes in one or more measured variables is known as_____
A. Third Variable
B. Confound Variable
C. Dependent Variable
D. Both a and b
29: A ________ is a statistical procedure used to describe the strength and direction of the linear relationship between two factors.
A. Correlation
B. Power
C. Effect size
D. Coincidence
30: The correlation coefficient ranges from −1.0 to +1.0, with values closer to ±0.0, indicating:
A. A more positive relationship between two factors.
B. A stronger relationship between two factors.
C. That two factors are less likely to be relate
D. That the correlation is due to outliers.
31: Covariance refers to the extent to which the values of two factors:
A. Can be plotte
B. Vary independently.
C. Are probable.
D. Vary together.
32: A researcher measures the relationship between the amount of protein intake and time on cognitive tasks. If SSXY = −320, SSX = 360, and SSY = 450, then what is the value of the correlation coefficient?
A. 0.002
B. −0.79
C. −0.52
D. 0.39
33: Suppose a correlation is computed in each of two samples. If the value of SSXY is the same in each sample, and is smaller in Sample 1, then in which sample will the value of the correlation coefficient be larger?
A. Sample 1
B. Sample 2
C. None; the correlation coefficient will be the same in both samples.
D. There is not enough information to answer this question.
34: A researcher measures the following correlation: r = −0.6. What is the value of the coefficient of determination?
A. 0.24
B. 0.36
C. −0.36
D. 0.6
35: What is the problem with the following data for computing a correlation?
A. The correlation coefficient will equal 0 because the variances and covariance will equal 0.
B. The correlation coefficient will equal 1.0 because the variances and covariance will equal 0.
C. The correlation coefficient will be close to 0.
D. The correlation coefficient will be close to 1.0.
36: The assumption that the best way to describe a pattern of data is using a straight line is:
A. Normality.
B. Linearity.
C. Homoscedasticity.
D. Restriction of range
37: A researcher measures the correlation in rankings for ice cream flavors and consumers' rankings of their favorite flavors. If D2 = 19.5 and n = 8, then what is the value of the correlation coefficient?
A. 0.07
B. −0.34
C. 0.79
D. −0.94
38: If r = 0.75 and n = 15, then what is the value of χ2?
A. 3.84
B. 3.99
C. −5.21
D. 8.44
39: If r = 0.75 and n = 15, then what is the value of χ2?
A. 3.84
B. 3.99
C. −5.21
D. 8.44
40: The coefficient of determination is the square of the correlation coefficient.
A. True
B. False
41: Homoscedasticity is the assumption that there is an unequal variance of data points dispersed along the regression line.
A. True
B. False
42: The point-biserial correlation coefficient is used to measure the correlation between two continuous variables.
A. True
B. False
43: The phi correlation coefficient is used to measure the correlation between two nominal variables.
A. True
B. False
44: Figure that uses bars to represent the mean of the dependent variable for each level of the independent variable is called
A. Bar graph
B. Line graph
C. Pie graph
D. Circle graph
45: Sampling distribution of difference of all possible values of the difference between two samples means when an infinite number of pairs of samples of size N are randomly selected from two populations.
A. True
B. False
46: Standard error of the difference is standard deviation of the sampling distribution of the difference.
A. True
B. False
47: Inferential statistic that tests the difference between the means of two samples drawn from two populations is t test for independent means
A. True
B. False
48: Assumption that the variance of scores for a variable is the same for different populations is homogeneity of variance
A. True
B. False
49: Between subjects research design is Research design in which each research participant appears in only ____ level or category of the independent variable.
A. One
B. Two
C. Three
D. Zero
50: Within subjects research design is Research design in which each participant appears in all levels or categories of the independent variable.
A. True
B. False
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Statistics (Social and Behavioral Sciences) MCQs
