POLYCET (2022) Mock Test Statistics - 2
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మీకు ఏవైనా కీ లోపాలు దొరికితే లోపాలు మాకు తెలియజేయడానికి వెనుకాడవద్దు.
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Question 1 of 10
1. Question
Is the mode always at the centre of the data ?
a. Yes
b. No
c. I don’t know
d. Of course -
Question 2 of 10
2. Question
The numbers 3 , 5 , 6 and 4 have frequencies of x , x + 2 , x + 8 and x+ 6 . if their mean is 4 , then the value of x is…..
a. 6
b. 7
c. 8
d. 9 -
Question 3 of 10
3. Question
The number of times a particular items occurs in a class interval is called its….
a. Cumulative frequency
b. Mean
c. Range
d. Frequency -
Question 4 of 10
4. Question
The mean of 20 numbers is 9 . if 3 is added to every number what will be the new mean ?
a. 15
b. 42
c. 12
d. 27 -
Question 5 of 10
5. Question
A class of 30 boys and 15 girls is given a test in Mathematics . the average marks obtained by boys is 15 , by girls is 6 . the average of whole class is…
a. 12
b. 16
c. 18
d. 10 -
Question 6 of 10
6. Question
Median of data is 52.2 and its mean is 54 . Find mode
a. 72.5
b. 64.5
c. 49.5
d. 28.02 -
Question 7 of 10
7. Question
The position average is ……………
a. Geometric mean
b. Median
c. Mode
d. Range -
Question 8 of 10
8. Question
A …………….. is that value among the observations which occurs most frequently.
a. Mode
b. Mean
c. Median
d. None -
Question 9 of 10
9. Question
To find median , classes should be …………..
a. Continuous
b. Of same length
c. Of same frequency
d. Discontinuous -
Question 10 of 10
10. Question
…………….. is the measure of central tendency that always at the centre of the data ?
a. Mode
b. Median
c. Mean
d. None