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QUIZ

7th

grade

53%

accuracy

524

plays

Preety Malhotra

4 years

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20 questions

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- 1. Multiple Choice1 minute1 pt
Find the median of the following set of data: 2 3 6 8 9 11 12

8 and 9

6 and 8

8.5

8

- 2. Multiple Choice30 seconds1 pt
The range of the data 21,6,17,18,12,8,4, 13 is

17

12

8

15

- 3. Multiple Choice30 seconds1 ptArranging the numerical figures in ascending or descending order is called_______DataPictographtableArray
- 4. Multiple Choice30 seconds1 ptThe bars used to count the frequencies are called_____Tally MarksBarsRangeNone of the abve
- 5. Multiple Choice30 seconds1 ptWrite 'True' or 'False'

The mean is always one of the numbers in the dataTRUEFALSE - 6. Multiple Choice30 seconds1 pt
Which among the following is NOT a measure of central tendency?

Mean

Median

Mode

Range

- 7. Multiple Choice30 seconds1 ptThe number of times a particular observation occurs is called its _______FrequencyArrayDataRange
- 8. Multiple Choice30 seconds1 ptThe probability of an event always lies between____1 and 20 and 12 and 3None of the above
- 9. Multiple Choice30 seconds1 ptWhat is the range of first 20 natural numbers?10192018
- 10. Multiple Choice30 seconds1 pt
When a cricket team is compared with another team for their performance as a team, the most suitable measure of central tendency is ______

Median

Mean

Mode

Range

- 11. Multiple Choice3 minutes1 ptHow many students ride in a car and walk to school combined?40501030
- 12. Multiple Choice2 minutes1 ptWhat’s the mode?1257
- 13. Multiple Choice30 seconds1 pt
In a data , 10 numbers are arranged in increasing order . If the 7th entry is increased by 4 , by how much the median increased.

0

4

6

5

- 14. Multiple Choice30 seconds1 pt
Out of 5 brands of chocolates in a shop, a boy has to purchase the brand which is most liked by children. What measure of central tendency would be most appropriate if the data is provided to him?

Mean

Mode

Median

Any of the three

- 15. Multiple Choice30 seconds1 pt
Let x, y, z be three observations. The mean of these observations is

$\frac{x\ \times\ y\ \times\ z}{3}$

$\frac{x\ +\ y+\ z}{3}$

$\frac{x\ -\ y\ -\ z}{3}$

$\frac{x\ \times\ y\ \ +\ z}{3}$

- 16. Multiple Choice30 seconds1 pt
Which measures of central tendency get affected if the extreme observations on both the ends of a data arranged in descending order are removed?

Mean and mode

Mean and Median

Mode and Median

Mean, Median and Mode

- 17. Multiple Choice30 seconds1 pt
On tossing a coin, the outcome is

only head

only tail

neither head nor tail

either head or tail

- 18. Multiple Choice45 seconds1 pt
The median of observations 11, 12, 14, 18, x + 2, 20, 22,

25, 61 arranged in ascending order is 21. The value of x is

11

15

19

21

- 19. Multiple Choice30 seconds1 pt
The probability of getting a number greater than 2 on

throwing a die once is

$\frac{2}{3}$

$\frac{1}{3}$

$\frac{1}{2}$

1

- 20. Multiple Choice30 seconds1 pt
The mean of first five prime numbers is

5

6

5.6

5.8

- Answer choicesTagsAnswer choicesTags
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