Study Package RRBs NTPC For Graduate & Under Graduate Posts ONLINE EXAM (1st Stage) 2019>Chapter 23 - Statistics>Exercise 1>Q 3

EASY

RRB NTPC CBT 1

IMPORTANT

Earn 100

Find the median of $10, 12, 9, 11, 13, 20, 22, 10, 8, 19 .$

50% studentsanswered this correctly

Important Questions on Statistics

EASY

RRB NTPC CBT 1

IMPORTANT

Study Package RRBs NTPC For Graduate & Under Graduate Posts ONLINE EXAM (1st Stage) 2019>Chapter 23 - Statistics>Exercise 1>Q 4

Find the mode of the following observations.

$8, 7, 6, 6, 5, 4, 12, 20, 6, 5, 6, 3, 3, 3, 6, 8, 6$

EASY

RRB NTPC CBT 1

IMPORTANT

Study Package RRBs NTPC For Graduate & Under Graduate Posts ONLINE EXAM (1st Stage) 2019>Chapter 23 - Statistics>Exercise 1>Q 5

Mean of some numbers is

14.10

. If median of these numbers be

9.89

, find the mode.

EASY

RRB NTPC CBT 1

IMPORTANT

Study Package RRBs NTPC For Graduate & Under Graduate Posts ONLINE EXAM (1st Stage) 2019>Chapter 23 - Statistics>Exercise 1>Q 6

Find the range of the observations given below:

$52, 47, 111, 33, 86, 97, 109, 39$ .

HARD

RRB NTPC CBT 1

IMPORTANT

Study Package RRBs NTPC For Graduate & Under Graduate Posts ONLINE EXAM (1st Stage) 2019>Chapter 23 - Statistics>Exercise 1>Q 7

Find the variance and standard deviation for the following data,

6, 7, 10, 12, 13, 4, 8, 12 .

EASY

RRB NTPC CBT 1

IMPORTANT

Study Package RRBs NTPC For Graduate & Under Graduate Posts ONLINE EXAM (1st Stage) 2019>Chapter 23 - Statistics>Practice Exercise>Q 1

The

10^{t h}

class had a science test and the marks were as follows:

74, 75, 89, 82, 66, 78

.

Find the mean marks of the class.

EASY

RRB NTPC CBT 1

IMPORTANT

Study Package RRBs NTPC For Graduate & Under Graduate Posts ONLINE EXAM (1st Stage) 2019>Chapter 23 - Statistics>Practice Exercise>Q 2

What is the mean of the marks scored by students in a science exam?

$41, 39, 52, 48, 54, 62, 46, 52, 40, 96, 42, 40, 98, 60, 52$ .

EASY

RRB NTPC CBT 1

IMPORTANT

Study Package RRBs NTPC For Graduate & Under Graduate Posts ONLINE EXAM (1st Stage) 2019>Chapter 23 - Statistics>Practice Exercise>Q 3

Mean of six observations

30, 68, 72, 53, 87

and

x

is

60

. Find the value of

x

.

EASY

RRB NTPC CBT 1

IMPORTANT

Study Package RRBs NTPC For Graduate & Under Graduate Posts ONLINE EXAM (1st Stage) 2019>Chapter 23 - Statistics>Practice Exercise>Q 4

Find the mean of the data set

1.9, 8.4, 3.6, 5.8

.