Question 1

The control charts used for the fraction of defective items in a sample is............................

Accepted Answer

A) Range chart 
B) P-chart 
C) C-chart 
D) Mean chart 
A) Range chart 
B) P-chart 
C) C-chart 
D) Mean chart B

Question 2

The geometric mean of the two regression coefficient, bxy and byx is equal to:

Accepted Answer

A) R 
B) r2 
C) 1 
D) None of the above 
A) R 
B) r2 
C) 1 
D) None of the above A

Question 3

In a correlation analysis, if r= 0, then we may say that there is .................. between variables.

Accepted Answer

A) No correlation 
B) Linear correlation 
C) Perfect correlation 
D) none of these 
A) No correlation 
B) Linear correlation 
C) Perfect correlation 
D) none of these A

Question 4

In a business house, statistics decreases the:

Accepted Answer

A) risk 
B) uncertainty 
C) profit 
D) sales 
A) risk 
B) uncertainty 
C) profit 
D) sales

Question 5

Coefficient of variation is a relative measure of

Accepted Answer

A) mean 
B) standard deviation 
C) range 
D) dispersion 
A) mean 
B) standard deviation 
C) range 
D) dispersion

Question 6

The arithmetic mean between 5 + 3 and 5 - 3 is:

Accepted Answer

A) 3 
B) 3. 
C) 5. 
D) 5 
A) 3 
B) 3. 
C) 5. 
D) 5

Question 7

The geometric mean of two numbers is 16. If one number is 32, the other number is:

Accepted Answer

A) 4 
B) 6 
C) 8 
D) 10 
A) 4 
B) 6 
C) 8 
D) 10

Question 8

Statistics can be best considered as

Accepted Answer

A) an art 
B) science 
C) both art as well as science 
D) art and philosophy 
A) an art 
B) science 
C) both art as well as science 
D) art and philosophy

Question 9

Cartograph is a:

Accepted Answer

A) line diagram 
B) bar diagram 
C) map 
D) circle 
A) line diagram 
B) bar diagram 
C) map 
D) circle

Question 10

If 'r' is the correlation coefficient between two variables, then:

Accepted Answer

A) 0 < r < 1 
B) - 1 ? r ? 1 
C) r ? 0 
D) r ? 0 
A) 0 < r < 1 
B) - 1 ? r ? 1 
C) r ? 0 
D) r ? 0

Question 11

Regression coefficient is independent of...........................

Accepted Answer

A) Origin 
B) Scale 
C) Both a and b 
D) Neither origin nor scale 
A) Origin 
B) Scale 
C) Both a and b 
D) Neither origin nor scale

Question 12

The mid point of a class is obtained by

Accepted Answer

A) adding upper and lower limit 
B) deducting upper limit from the lower limit 
C) dividing the diference of upper and lower limit by 2 
D) ading upper and lower limit and dividing by 2 
A) adding upper and lower limit 
B) deducting upper limit from the lower limit 
C) dividing the diference of upper and lower limit by 2 
D) ading upper and lower limit and dividing by 2

Question 13

Standard deviation is

Accepted Answer

A) absolute measure 
B) relative measure 
C) both 
D) none 
A) absolute measure 
B) relative measure 
C) both 
D) none

Question 14

Statistical results are all the time:

Accepted Answer

A) qualitative one 
B) an average 
C) an exact result 
D) an isolated number 
A) qualitative one 
B) an average 
C) an exact result 
D) an isolated number

Question 15

Relationship of mean, median and mode according to Karl Pearson is

Accepted Answer

A) mode = 2median - 3mean 
B) median = 2mode - 2mean 
C) mode = 3median - 2 mean 
D) none of the above 
A) mode = 2median - 3mean 
B) median = 2mode - 2mean 
C) mode = 3median - 2 mean 
D) none of the above

Question 16

The harmonic mean of 4 and 6 is:

Accepted Answer

A) 4.5 
B) 4.8 
C) 5 
D) 5.5 
A) 4.5 
B) 4.8 
C) 5 
D) 5.5

Question 17

Difference between highest and lowest value called:

Accepted Answer

A) standard deviation 
B) Mean Deviation 
C) Quartile Deviation 
D) Range 
A) standard deviation 
B) Mean Deviation 
C) Quartile Deviation 
D) Range

Question 18

Economics cannot be a successful subject without:

Accepted Answer

A) business 
B) commerce 
C) statistics 
D) management 
A) business 
B) commerce 
C) statistics 
D) management

Question 19

The algebraic sum of the deviations of a set of a n values from their arithmetic mean is

Accepted Answer

A) n 
B) 0 
C) 1 
D) -1 
A) n 
B) 0 
C) 1 
D) -1

Question 20

........................is user for testing goodness of fit.

Accepted Answer

A) Wilcoxon test 
B) Sign test 
C) K-S Test 
D) Chi-square test 
A) Wilcoxon test 
B) Sign test 
C) K-S Test 
D) Chi-square test

The control charts used for the fraction of defective items in a sample is............................

The geometric mean of the two regression coefficient, bxy and byx is equal to:

In a correlation analysis, if r= 0, then we may say that there is .................. between variables.

In a business house, statistics decreases the:

Coefficient of variation is a relative measure of

The arithmetic mean between 5 + 3 and 5 - 3 is:

The geometric mean of two numbers is 16. If one number is 32, the other number is:

Statistics can be best considered as

Cartograph is a:

If 'r' is the correlation coefficient between two variables, then:

Regression coefficient is independent of...........................

The mid point of a class is obtained by

Standard deviation is

Statistical results are all the time:

Relationship of mean, median and mode according to Karl Pearson is

The harmonic mean of 4 and 6 is:

Difference between highest and lowest value called:

Economics cannot be a successful subject without:

The algebraic sum of the deviations of a set of a n values from their arithmetic mean is

........................is user for testing goodness of fit.

Correlation Analysis and Coefficient of Correlation

Correlation and Regression Analysis

Regression and Hypothesis Testing

Hypothesis Testing and Statistical Errors

Statistics and Quality Control

Statistics and Probability

Probability, Correlation, and Index Numbers in Statistics

Time Series and Index Numbers in Business and Economics

Matrix Operations and Time Series Analysis

Fundamentals of Calculus

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Exam 6: Statistics and Statistical Analysis

The control charts used for the fraction of defective items in a sample is............................

The geometric mean of the two regression coefficient, bxy and byx is equal to:

In a correlation analysis, if r= 0, then we may say that there is .................. between variables.

In a business house, statistics decreases the:

Coefficient of variation is a relative measure of

The arithmetic mean between 5 + 3 and 5 - 3 is:

The geometric mean of two numbers is 16. If one number is 32, the other number is:

Statistics can be best considered as

Cartograph is a:

If 'r' is the correlation coefficient between two variables, then:

Regression coefficient is independent of...........................

The mid point of a class is obtained by

Standard deviation is

Statistical results are all the time:

Relationship of mean, median and mode according to Karl Pearson is

The harmonic mean of 4 and 6 is:

Difference between highest and lowest value called:

Economics cannot be a successful subject without:

The algebraic sum of the deviations of a set of a n values from their arithmetic mean is

........................is user for testing goodness of fit.

Correlation Analysis and Coefficient of Correlation

Correlation and Regression Analysis

Regression and Hypothesis Testing

Hypothesis Testing and Statistical Errors

Statistics and Quality Control

Statistics and Probability

Probability, Correlation, and Index Numbers in Statistics

Time Series and Index Numbers in Business and Economics

Matrix Operations and Time Series Analysis

Fundamentals of Calculus

Filters