Navigation » List of Schools » Los Angeles Harbor College » Statistics » Statistics 001 – Elementary Statistics I for the Social Sciences » Spring 2020 » Exam 4
Below are the questions for the exam with the choices of answers:
Question #1
A The chi-square value
B Ranked scores
C Ordinal data
D All of the above
Question #2
A 0.92
B 0.63
C 0.14
D 0.86
Question #3
A Its sign (+ or – )
B Both
C Neither
D its size
Question #4
A High scores on X are associated with high scores on Y
B X is NOT a good predictor of Y
C low scores on X are associated with low scores on Y
D X is a good predictor of Y
Question #5
A for tables that are 2 x 2
B when random sampling has been used
C for nominal data
D all of the above
Question #6
A ordinal level data
B both nominal and interval
C nominal level data
D interval level data
Question #7
A the point where the regression line crosses the Y axis when X = 0
B the amount of change in Y for each unit change in X
C the amount of change in X for each unit change in Y
D the points where the regression line crosses the X axis when Y = 0
Question #8
A its size
B neither its sign (+ or -) or size
C both its size and sign (+ or -)
D its sign (+ or -)
Question #9
A Spearman’s rank order correlation coefficient
B contingency coefficient
C Cramer’s V
D Pearson’s r
Question #10
A Contingency Coefficient
B Pearson’s r
C Phi coefficient
D Spearman’s r
Question #11
A Goodman’s and Kruskal’s Gamma
B Pearson’s r
C Spearman’s r
D Cramer’s V
Question #12
A the given table does not have the same number of row and columns
B the table has the same number of rows and columns
C the table is 2 x 2
D there is a large sample
Question #13
A the independent variable must be categorical in nature
B the independent variable is influenced by the dependent variable
C the variables being investigated must be correlated
D one variable is believed to be influenced by the other
Question #14
A the proporion of variance in Y that is attributed to error
B the proportion of variance in X that is attributed to error
C the proportion of variance in Y that is NOT explained by X
D the proportion of the variance in Y that is explained by X
Question #15
A the less variance has been accounted for by the independent variable
B the better the obtained data fit the regression line (AKA line of best fit)
C the worse the obtained data fit the regression line
D the ore the independent variable predicts the independent variable
Question #16
A the amount of change in Y for each unit change in X
B the point where the regresssion line corsses the X-axis when Y=0
C the amount of change in X for each change in Y
D the point where the regression line crosses the Y-axis when X=0
Question #17
A a negative relationship
B a positive relationship
C curvilienear relationship
D not enough information to answer question
Question #18
A presents the strength of the relationship
B varies from -1.0 to +1.0
C presents the direction of the relationship
D all of the above
Question #19
A -0.31
B (+0.58)
C -0.28
D (+0.12)
Question #20
A correlations can never exceed 1.0
B correlations closer to 0.0 are considered to be weak, while correlations closer to 1.0 are considered to be strong.
C correlations provide statements of causation
D correlations can be negative
Question #21
A inverse
B negative
C there is not enough information to estimate the nature of the correlation
D positive