MCQ Practice – Class 6 to 10

Q1. In grouped data, mode is calculated using:

A. Mean formula B. Mode formula C. Median formula D. Range formula

Q2. Ogive is a graph of:

A. Class mark B. Cumulative frequency C. Mode D. Mean

Q3. Median class is the class where:

A. CF crosses N/2 B. Frequency is high C. Mode lies D. Mean lies

Q4. Frequency polygon is drawn by joining:

A. Ogives B. Midpoints C. Class limits D. Frequencies

Q5. Mode is not affected by:

A. Both A & B B. Frequency C. Extremely large values D. Extremely small values

Q6. If all observations increase by 5, mean:

A. Increases by 5 B. Becomes zero C. Decreases D. Remains same

Q7. Mean of first n natural numbers =

A. n/2 B. n C. n(n+1)/2 D. (n+1)/2

Q8. Mean = Σx /

A. f B. N+1 C. n D. Σf

Q9. If mode > mean > median, distribution is:

A. Negatively skewed B. Positively skewed C. Normal D. Symmetric

Q10. Graph of frequency vs class interval is:

A. Histogram B. Polygon C. Pie chart D. Bar graph

Quiz – Statistics