Top 150+ Solved Statistics MCQ Questions Answer
Q. Which of the following is not cause of the correlation?____________
a. Direct relationship
b. Correlation due to any other common cause
c. Mutual Reaction
d. None of these
Q. Which of the following is the highest range of r?__________
a. 0 and 1
b. -1 and 0
c. -1 and 1
d. None of these
Q. When the correlation coefficient between x and y is positive, then as variable x decreases, variable yRemains the same________
a. Increases
b. Decreases
c. Changes linearly
d. none
Q. Which of the following is most likely to be an inverse relationship?__________
a. Between income and expenditure on education
b. Between price increase and demand for a certain product
c. Between average number of hours studied per day and the performance of the students in the examination
d. Between advertising expenditure and sales of a product.
Q. Which of the following measurement scales is required for the valid calculation of spearman correlationcoefficient?_____________
a. Ordinal
b. Interval
c. Nominal
d. Ratio
Q. The ratio of the average deviations is called__________
a. Regression
b. Correlation
c. Skewness
d. All of these
Q. What will be the range of r when we find that the dependent variable increases as the independent variableincreases?__________
a. 0 to -0.05
b. 1 to 2
c. 0 .1 to 1
d. None of these
Q. Which of the following is true if the estimating equation has to be a perfect estimator of the dependentvariable?______________
a. The coefficient of determination is -1
b. All the data points are on the regression line.
c. The standard error of the estimate is zero
d. B and C
Q. When a multiple correlation coefficient r 1.2=1, then it shows __________
a. Reasonably good relationship
b. Lack of linear relationship
c. Perfect relationship
d. None of these
Q. Statistics branches include__________
a. Applied Statistics
b. Mathematical Statistics
c. Industry Statistics
d. Both A and B
Q. The variables whose calculation is done according to the weight, height and length and weight are knownas__________
a. Flowchart Variables
b. Discrete Variables
c. Continuous Variables
d. Measuring Variables
Q. The number of accidents in a city during 2010 is___________
a. Discrete variable
b. Continuous variable
c. Qualitative variable
d. Constant
Q. The correlation coefficient is used to determine________
a. A specific value of the y-variable given a specific value of the x-variable
b. A specific value of the x-variable given a specific value of the y-variable
c. The strength of the relationship between the x and y variables
d. None of these