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RD Sharma Test: Statistics


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25 Questions MCQ Test Mathematics (Maths) Class 10 | RD Sharma Test: Statistics

RD Sharma Test: Statistics for Class 10 2022 is part of Mathematics (Maths) Class 10 preparation. The RD Sharma Test: Statistics questions and answers have been prepared according to the Class 10 exam syllabus.The RD Sharma Test: Statistics MCQs are made for Class 10 2022 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for RD Sharma Test: Statistics below.
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RD Sharma Test: Statistics - Question 1

In the given data if n = 230, l = 40, cf = 76, h = 10, f = 65, then its median is

Detailed Solution for RD Sharma Test: Statistics - Question 1

Median=L + 
=40 + 
=40 + 6 = 46

RD Sharma Test: Statistics - Question 2

In a data, if l = 40, h = 15, f1=7, f0=3, f2=6, then the mode is

Detailed Solution for RD Sharma Test: Statistics - Question 2

Mode=L+ 
Where L=lower limit of the modal class =40
f1= modal class frequency.=7
f2 = just after the modal class frequency.=6
f0 = just previous the modal class frequency=3
C = Class size=15
Mode=40+ * 15 = 40 + 12 = 52

RD Sharma Test: Statistics - Question 3

The mode of 4, 5, 6, 8, 5, 4, 8, 5, 6, x, 8 is 8. The value of ‘x’ is

Detailed Solution for RD Sharma Test: Statistics - Question 3

Mode is the most occurred value. In the data we have three 5 and three 8 , so if mode is only 8 then the value of x must be 8 ,so that only 8 is the most occurring value.

RD Sharma Test: Statistics - Question 4

The wickets taken by a bowler in 10 cricket matches are 2, 6, 4, 5, 0, 3, 1, 3, 2, 3. The mode of the data is

Detailed Solution for RD Sharma Test: Statistics - Question 4

Mode is the most frequently occurring observation. Since it's not a grouped data the frequency is the occurrence of only one observation , So the highest no. of frequency is 3 . So the modal age is 3.

RD Sharma Test: Statistics - Question 5

In a data, if l = 60, h = 15, f= 16, f= 6, f= 6, then the mode is

RD Sharma Test: Statistics - Question 6

The mode of 4, 5, 6, 8, 5, 4, 6, 5, 6, x, 8 is 6. The value of ‘x’ is

RD Sharma Test: Statistics - Question 7

For the following distribution the lower limit of the modal class is

RD Sharma Test: Statistics - Question 8

For the following distribution the modal class is

Detailed Solution for RD Sharma Test: Statistics - Question 8

Modal class as the name suggests is the interval which occurs most of the times which means the interval which has the highest frequency.By changing the distribution in grouped distribution 30-40 has the maximum frequency that is 30

RD Sharma Test: Statistics - Question 9

The times, in seconds, taken by 75 athletes to run a 500m race are tabulated as below: 

The number of athletes who completed the race in less than 125 seconds is

RD Sharma Test: Statistics - Question 10

The median of first 10 prime numbers is

Detailed Solution for RD Sharma Test: Statistics - Question 10

A prime number is a natural number greater than 1 that is not a product of two smaller natural numbers. So 10 prime numbers are: 2,3,5,7,11,13,17,19,23,29
Since the number of terms are even ,
Median = 
 10/2=5th term=11
10/2 +1=6th term=13
Median = 

RD Sharma Test: Statistics - Question 11

The most frequent value in the data is known as

RD Sharma Test: Statistics - Question 12

The marks obtained by 9 students in Mathematics are 59, 46, 30, 23, 27, 44, 52, 40 and 29. The median of the data is

RD Sharma Test: Statistics - Question 13

The marks obtained by 9 students in Mathematics are 59, 46, 30, 23, 27, 40, 52, 35 and 29. The median of the data is

RD Sharma Test: Statistics - Question 14

The percentage of marks obtained by 100 students in an examination are as follows:

The median class is

RD Sharma Test: Statistics - Question 15

In the given data if n = 44, l = 400, cf = 8, h = 100, f = 20, then its median is

RD Sharma Test: Statistics - Question 16

The measure of central tendency that can be obtained graphically is

Detailed Solution for RD Sharma Test: Statistics - Question 16

 Central tendency is the central value for a probability distribution. Mean,media,mode and range are the measures of central tendeny. Amongst them, median can be determined graphically.

RD Sharma Test: Statistics - Question 17

The wickets taken by a bowler in 10 cricket matches are 2, 6, 4, 5, 0, 3, 1, 3, 2, 3. The median of the data is

RD Sharma Test: Statistics - Question 18

The marks obtained by 9 students in Mathematics are 59, 46, 30, 23, 27, 44, 52, 40 and 29. The median of the data is

Detailed Solution for RD Sharma Test: Statistics - Question 18

Median is the middle value of the observations. So Median cannot be obtained when the observations are not in order. So first we have to arrange in ascending order. 
59, 46, 30, 23, 27, 44, 52, 40 and 29
Gives- 23,27,29,30,40,44,46,52,59
Since the no. of observations is odd 

RD Sharma Test: Statistics - Question 19

In the given data if n = 230, l = 40, cf = 76, h = 10, f = 65, then its median is

RD Sharma Test: Statistics - Question 20

Construction of cumulative frequency table is useful to determine

RD Sharma Test: Statistics - Question 21

The middle most value of the data is

RD Sharma Test: Statistics - Question 22

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

RD Sharma Test: Statistics - Question 23

An ‘ogive’ is used to determine

Detailed Solution for RD Sharma Test: Statistics - Question 23

An give, also known as a cumulative histogram, is a graph that is used to determine the number of data points that are equal to or below a certain value in a data set.It is a plot of cumulative values, rather than a plot of the values themselves. Median is determined by finding the (n/2)th value and then dropping it to the x axis.

RD Sharma Test: Statistics - Question 24

To represent ‘the less than type’ graphically, we plot the ____________ on the x – axis.

RD Sharma Test: Statistics - Question 25

To represent ‘the more than type’ graphically, we plot the ____________ on the x – axis.

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