Statistics Test

Result

Statistics Test - 1

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Weekly Quiz Competition

Question 1
1 / -0

1. If the median of the data: 6, 7, x-2, x, 17, 20, written in ascending order, is 16.

Then x = ______.

A
15

B
16

C
17

D
18
Question 2
1 / -0

For the following distribution:

Class
0 - 5 5 - 10 10 - 15 15 - 20 20 - 25

Frequency 10 15 12 20
9

The sum of lower limits of the median class and modal class will be -

A
15

B
25

C
30

D
35
Question 3
1 / -0

An Ogive is used to determine:

A
Mean

B
Median

C
Mode

D
Range
Question 4
1 / -0

Which of the following cannot be determined graphically?

A
Mean

B
Median

C
Mode

D
None of the above
Question 5
1 / -0

From the following frequencies, the difference between the upper limit of the median class and the lower limit of the modal class will be:

Class 65 - 85 85 - 105 105 - 125 125 - 145 145 - 165 165 - 185 185 - 205

Frequency 4 5 13 20 14 7 4

A
20

B
7

C
42

D
33.5
Question 6
1 / -0

Find the modal marks obtained by the students from the following distribution.

Class Interval
0 - 10 10 - 20 20 - 30 30 - 40 40 - 50

Marks 7 4 9 26
11

A
24.6875

B
35.3125

C
26

D
40
Question 7
1 / -0

Find the average of the following distribution:

Variate (x)
10 30 50 70 90

Frequency (f) 8 10 10 12
10

A
47.5

B
51.7

C
52.4

D
52.8
Question 8
1 / -0

The median class of the following frequency distribution table is:

Class
0 - 10 10 - 20 20 - 30 30 - 40 40 - 50

Frequency 9 3 12 4
12

A
10 - 20

B
20 - 30

C
30 - 40

D
40 - 50
Question 9
1 / -0

Find the median of the first ten prime numbers.

A
11

B
24

C
10

D
12
Question 10
1 / -0

Which condition meets correctly for a symmetrical distribution?

A
Mean = Mode < Median

B
Mean = Mode = Median

C
Mean > Mode > Median

D
Mean = Median + Mode
Question 11
1 / -0

If the difference of mode and median of a data is 24, then the difference of median and mean will be:

A
12

B
24

C
8

D
36
Question 12
1 / -0

The maximum frequent value in a distribution is called:

A
Mean

B
Median

C
Mode

D
Quartile
Question 13
1 / -0

If the mean of a frequency distribution is 8.1 and ∑ƒ_ix_i = 132 + 5k, ∑ƒ_i = 20, then k will be:

A
6

B
12

C
4

D
25
Question 14
1 / -0

For a frequency distribution, mean, median and mode are connected by which relation?

A
Mode = 3 Mean −2 Median

B
Mode = 2 Median −3 Mean

C
Mode = 3 Median −2 Mean

D
Mode = 3 Median +2 Mean

User

Question Analysis

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Re-Attempt Weekly Quiz Competition

Class	0 - 5	5 - 10	10 - 15	15 - 20	20 - 25
Frequency	10	15	12	20	9

Class	65 - 85	85 - 105	105 - 125	125 - 145	145 - 165	165 - 185	185 - 205
Frequency	4	5	13	20	14	7	4

Class Interval	0 - 10	10 - 20	20 - 30	30 - 40	40 - 50
Marks	7	4	9	26	11

Variate (x)	10	30	50	70	90
Frequency (f)	8	10	10	12	10

Statistics Test - 1

Result

Statistics Test - 1

Score

-

Rank

-

SHARING IS CARING

Question 1

15

16

17

18

Question 2

15

25

30

35

Question 3

Mean

Median

Mode

Range

Question 4

Mean

Median

Mode

None of the above

Question 5

20

7

42

33.5

Question 6

24.6875

35.3125

26

40

Question 7

47.5

51.7

52.4

52.8

Question 8

10 - 20

20 - 30

30 - 40

40 - 50

Question 9

11

24

10

12

Question 10

Mean = Mode < Median

Mean = Mode = Median

Mean > Mode > Median

Mean = Median + Mode

Question 11

12

24

8

36

Question 12

Mean

Median

Mode

Quartile

Question 13

6

12

4

25

Question 14

Mode = 3 Mean −2 Median

Mode = 2 Median −3 Mean

Mode = 3 Median −2 Mean

Mode = 3 Median +2 Mean

User

Question Analysis