CBSE Class 10 Maths Statistics Quiz 4

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CBSE › Class 10 › Maths › Statistics

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1. For the following distribution

A 20 – 40 B 40 – 60 C 60 – 80 D 80 -100

2. For the following distribution

A 20 B 30 C 40 D 50

3. While computing mean of grouped data, we assume that the frequencies are

A centred at the upper limits of the classes B centred at the lower limits of the classes C centred at the classmarks of the classes D evenly distributed over all the classes

4. Which of the following can not be determined graphically?

A Mean B Median C Mode D None of these

5. Mode is the

A middle most frequent value B least frequent value C maximum frequent value D none of these

6. Cumulative frequency curve is also called

A histogram B ogive C bar graph D median

7. The relationship between mean, median and mode for a moderately skewed distribution is

A mode = median – 2 mean B mode = 3 median – 2 mean C mode = 2 median – 3 mean D mode = median – mean

8. The median of set of 9 distinct observations is 20.5. If each of the largest 4 observations of the set is increased by 2, then the median of the new set

A is increased by 2 B is decreased by 2 C is two times of the original number D Remains the same as that of the original set.

9. of observations = 9

10. Mode and mean of a data are 12k and 15A. Median of the data is

A 12k B 14k C 15k D 16k

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