Statistics- I

SSC ONLINE MCQ TEST OF ALGEBRA

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Q1. Find the mean of the numbers 2, 4, 3 , 2, 1, 5 , 3, 4.

A) 2.6
B) 3
C) 4
D) 2

Q2. What is the measure of the central angle if a student get 40 % marks in a test.

A) 144 0
B) 40 0
C) 134 0
D) 160 0

Q3. The frequency of the class 35 - 39 is 3. Find the class-mark and the value of ∑f_ix_i

A) 35, 111
B) 37, 110
C) 37, 111
D) 25 , 110

Q4. Find mean if ∑f_ix_i = 200 and ∑x_i = 10.

A) 10
B) 30
C) 40
D) 20

Q5. Find the mode if mean is 101 and median is 100.

A) 100
B) 99
C) 98
D) 101

Q6. To draw the histogram the classes on X- axis must be ........

A) with class marks only.
B) in fraction.
C) continuous.
D) discontinuous.

Q7. What is the lower limit of the class 41.5 ते 45.5.

A) 41
B) 45
C) 45.5
D) 41.5

Q8. What is class width of the class 31 - 40.

A) 9
B) 8
C) 10
D) 20

Q9. If ∑f_ix_i = 80 and ∑x_i = 20. Find the mean.

A) 16
B) 4
C) 6
D) 8

Q10. Find the median if mean is 50 and mode is 20.

A) 30
B) 40.5
C) 20
D) 40