MATHEMATICS CLASS X>Chapter 15 - Statistics>MULTIPLE CHOICE QUESTIONS (MCQs)

R. D. Sharma Solutions for Chapter: Statistics, Exercise 8: MULTIPLE CHOICE QUESTIONS (MCQs)

Author:R. D. Sharma

R. D. Sharma Mathematics Solutions for Exercise - R. D. Sharma Solutions for Chapter: Statistics, Exercise 8: MULTIPLE CHOICE QUESTIONS (MCQs)

Attempt the free practice questions on Chapter 15: Statistics, Exercise 8: MULTIPLE CHOICE QUESTIONS (MCQs) with hints and solutions to strengthen your understanding. MATHEMATICS CLASS X solutions are prepared by Experienced Embibe Experts.

Questions from R. D. Sharma Solutions for Chapter: Statistics, Exercise 8: MULTIPLE CHOICE QUESTIONS (MCQs) with Hints & Solutions

MEDIUM

10th CBSE

IMPORTANT

MATHEMATICS CLASS X>Chapter 15 - Statistics>MULTIPLE CHOICE QUESTIONS (MCQs)>Q 33

The mean of a certain number of observations is $\overset{}{x}$ . If each observation is divided by $m (m \neq 0)$ and increased by $n$ , then the mean of new observation is

MEDIUM

10th CBSE

IMPORTANT

MATHEMATICS CLASS X>Chapter 15 - Statistics>MULTIPLE CHOICE QUESTIONS (MCQs)>Q 34

If $u_{i} = \frac{x_{i} - 25}{10}, Σ f_{i} u_{i} = 20, Σ f_{i} = 100$ , then $\bar{x} =$

EASY

10th CBSE

IMPORTANT

MATHEMATICS CLASS X>Chapter 15 - Statistics>MULTIPLE CHOICE QUESTIONS (MCQs)>Q 35

If $35$ is removed from the data $30, 34, 35, 36, 37, 38, 39, 40,$ then the median increased by

EASY

10th CBSE

IMPORTANT

MATHEMATICS CLASS X>Chapter 15 - Statistics>MULTIPLE CHOICE QUESTIONS (MCQs)>Q 37

In the formula, mean $(\bar{x}) = a + h (\frac{1}{N} Σ f_{i} u_{i})$ , for finding the mean of grouped frequency distribution $u_{i} =$

MEDIUM

10th CBSE

IMPORTANT

MATHEMATICS CLASS X>Chapter 15 - Statistics>MULTIPLE CHOICE QUESTIONS (MCQs)>Q 38

For the following distribution :

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

the sum of the lower limits of the median and modal class is

EASY

10th CBSE

IMPORTANT

MATHEMATICS CLASS X>Chapter 15 - Statistics>MULTIPLE CHOICE QUESTIONS (MCQs)>Q 39

For the following distribution:

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

The modal class is

MEDIUM

10th CBSE

IMPORTANT

MATHEMATICS CLASS X>Chapter 15 - Statistics>MULTIPLE CHOICE QUESTIONS (MCQs)>Q 40

Consider the following frequency distribution:

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

HARD

10th CBSE

IMPORTANT

MATHEMATICS CLASS X>Chapter 15 - Statistics>MULTIPLE CHOICE QUESTIONS (MCQs)>Q 43

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