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- 1. Multiple Choice
What is the mean of ungrouped data?
(∑xi)/n
(∑fi xi)/(∑fi)
a+(∑fi di)/(∑fi)
(∑fi yi)/(∑fi)
- 2. Multiple Choice
Which method is also known as the Direct Method for finding the mean of grouped data?
Assumed Mean
Direct Method
Step-deviation method
Mean of grouped data when the frequency distribution is given in the form of class
- 3. Multiple Choice
What is the formula for finding the median?
(n/2)th observation, if n is odd, else (n-1)/2th observation
(n/2)th observation, if n is odd, else (n+1)/2th observation
(n+1)/2th observation, if n is odd, else (n/2)th observation
(n-1)/2th observation, if n is odd, else (n/2)th observation
- 4. Multiple Choice
What is the mode of statistical data?
The variate that occurs least frequently
The variate with the minimum frequency
The variate with the maximum frequency
The variate that occurs most frequently
- 5. Multiple Choice
What is the formula for finding the mean of grouped data using the Step-deviation method?
∑fi xi)/(∑fi)
∑fi yi)/(∑fi
(∑fi xi)/(∑fi)
a+(∑fi di)/(∑fi)
- 6. Multiple Choice
What is the central value of statistical data if it is arranged in ascending or descending order?
Mode
Mean
Arithmetic mean
Median
- 7. Multiple Choice
What is the formula for finding the mean of grouped data using the Direct Method?
a+(∑fi di)/(∑fi)
(∑fi xi)/(∑fi)
∑fi yi)/(∑fi
∑fi xi)/(∑fi)
- 8. Multiple Choice
Which method is also known as the provisional mean for finding the mean of grouped data?
Assumed Mean
Mean of grouped data when the frequency distribution is given in the form of class
Direct Method
Step-deviation method
- 9. Multiple Choice
What is the formula for finding the mean of grouped data when the frequency distribution is given in the form of class?
a+(∑fi di)/(∑fi)
(∑fi xi)/(∑fi)
∑fi yi)/(∑fi
∑fi xi)/(∑fi)
- 10. Multiple Choice
What is the mode of statistical data?
The variate with the maximum frequency
The variate with the minimum frequency
The variate that occurs most frequently
The variate that occurs least frequently
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