Statistics Test

Result

Statistics Test - 5

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Weekly Quiz Competition

Question 1
1 / -0

∑ fi=18,∑ fixi = 2p+24 and mean of any distribution is 2, then p is equal to

A
3

B
4

C
8

D
6
Question 2
1 / -0

The abscissa of the point of intersection of the less than type and of the more than type cumulative frequency curves of a grouped data gives its

A
mean

B
median

C
mode

D
all of these
Question 3
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 is

A
25

B
30

C
35

D
15
Question 4
1 / -0

Consider the following frequency distribution:

Class 0–5 6–11 12–17 18–23 24–29

Frequency 13 10 15 8 11

The upper limit of the median class is

A
17

B
17.5

C
18

D
18.5
Question 5
1 / -0

For the following distribution :

Marks Number of students

Below 10 3

Below 20 12

Below 30 27

Below 40 57

Below 50 75

Below 60 80

The modal class is

A
10 – 20

B
20 – 30

C
30 – 40

D
50 – 60
Question 6
1 / -0

Consider the data:

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

Frequency 4 5 13 20 14 7 4

The difference of the upper limit of the median class and the lower limit of the modal class is

A
0

B
19

C
20

D
38
Question 7
1 / -0

The time in seconds, taken by 150 athletes to run a 110 m hurdle race are tabulated below:

Class 13.8 – 14 14 – 14.2 14.2 – 14.4 14.4 – 14.6 14.6 – 14.8 14.8 – 15

Frequency 2 4 5 71 48 20

The number of atheletes who completed the race in less then 14.6 seconds is:

A
11

B
71

C
82

D
130

Question 8

1 / -0

Consider the following distribution :

Marks obtained	Number of students
More than or equal to 0	63
More than or equal to 10	58
More than or equal to 20	55
More than or equal to 30	51
More than or equal to 40	48
More than or equal to 50	42

The frequency of the class 30–40 is

3

4

48

51

User

Question Analysis

Correct -
Wrong -
Skipped -

My Perfomance

Score
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Rank
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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	0–5	6–11	12–17	18–23	24–29
Frequency	13	10	15	8	11

Marks	Number of students
Below 10	3
Below 20	12
Below 30	27
Below 40	57
Below 50	75
Below 60	80

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

Class	13.8 – 14	14 – 14.2	14.2 – 14.4	14.4 – 14.6	14.6 – 14.8	14.8 – 15
Frequency	2	4	5	71	48	20

Statistics Test - 5

Result

Statistics Test - 5

Score

-

Rank

-

SHARING IS CARING

Question 1

3

4

8

6

Question 2

mean

median

mode

all of these

Question 3

25

30

35

15

Question 4

17

17.5

18

18.5

Question 5

10 – 20

20 – 30

30 – 40

50 – 60

Question 6

0

19

20

38

Question 7

11

71

82

130

Question 8

3

4

48

51

User

Question Analysis

My Perfomance

Score

-

Rank

-

Results Announcement on: coming Monday

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