Measures of Dispersion Test

Result

Measures of Dispersion Test - 29

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Weekly Quiz Competition

Question 1
1 / -0

The mean of $$10$$ observations is $$48.4$$. If by mistake one observation was taken as $$54$$ instead of $$45$$.
The correct mean is ________.

A
$$32.5$$

B
$$25.5$$

C
$$47.5$$

D
$$26.5$$
Question 2
1 / -0

Average of $$12$$ members = $$11.0$$. Average of the first six members = $$10.5$$, average of the last six members = ______.

A
$$10.5$$

B
$$11.5$$

C
$$11.0$$

D
$$10.0$$
Question 3
1 / -0

The average runs of a cricketer in four innings is $$32$$. How many runs he should score in the fifth inning so that his averages score becomes $$50$$ runs?

A
$$132$$

B
$$122$$

C
$$128$$

D
$$126$$
Question 4
1 / -0

The mean of $$4,3,9,x,6 is 5.4$$ then x is __________.

A
$$3$$

B
$$5$$

C
$$8$$

D
$$6$$
Question 5
1 / -0

If Z - M = $$4$$ and Z + M = $$60$$, then Z is _______.

A
$$32$$

B
$$25$$

C
$$28$$

D
$$26$$
Question 6
1 / -0

If Z - M = $$4$$ and Z + M = $$60$$, then M is _____.

A
$$26$$

B
$$25$$

C
$$28$$

D
$$32$$
Question 7
1 / -0

The average runs of two groups is $$57$$. The mean of the first group is $$52$$ and the mean of the second group is $$60$$. The proportion of ______.

A
$$3 : 5$$

B
$$2 : 5$$1

C
$$2 : 8$$

D
$$5 : 2$$
Question 8
1 / -0

To find the median, it is necessary to arrange the data in _______.

A
ascending order

B
descending order

C
ascending or descending order

D
any of them
Question 9
1 / -0

The first quartile is also known as ______.

A
median

B
lower quartile

C
mode

D
third decile
Question 10
1 / -0

The third quartile is also called ________.

A
lower quartile

B
median

C
mode

D
upper quartile

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Re-Attempt Weekly Quiz Competition

Measures of Dispersion Test - 29

Result

Measures of Dispersion Test - 29

Score

-

Rank

-

SHARING IS CARING

Question 1

$$32.5$$

$$25.5$$

$$47.5$$

$$26.5$$

Question 2

$$10.5$$

$$11.5$$

$$11.0$$

$$10.0$$

Question 3

$$132$$

$$122$$

$$128$$

$$126$$

Question 4

$$3$$

$$5$$

$$8$$

$$6$$

Question 5

$$32$$

$$25$$

$$28$$

$$26$$

Question 6

$$26$$

$$25$$

$$28$$

$$32$$

Question 7

$$3 : 5$$

$$2 : 5$$1

$$2 : 8$$

$$5 : 2$$

Question 8

ascending order

descending order

ascending or descending order

any of them

Question 9

median

lower quartile

mode

third decile

Question 10

lower quartile

median

mode

upper quartile

User

Question Analysis

My Perfomance

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