Question 4

The range of the data 30, 61, 55, 56, 20, 26, 46, 28, 56 is

(a) 26

(b) 30

(c) 41

(d) 61

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Solution

Ans: (c)
Range of data = Maximum value - Minimum value
61 - 20 = 41

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Question 4

The range of the data 30, 61, 55, 56, 20, 26, 46, 28, 56 is

(a) 26

(b) 30

(d) 61

Q. The class marks of a distribution are 26, 31, 36, 41, 46, 51, 56, 61, 66, 71. Find the true class limits.

Q. For the following data obtain the mode.

Weight (in kg)	$21 - 25$	$26 - 30$	$31 - 35$	$36 - 40$	$41 - 45$	$46 - 50$	$51 - 55$	$56 - 60$
No. of students	$5$	$4$	$3$	$18$	$20$	$14$	$8$	$3$

\frac{323}{55} \times \frac{971}{251} \times \frac{56}{61} = ?

Calculate the mean, median and standard deviation of the following distribution :

$\begin{matrix} t e x t C l a s s - i n t e r v a l : & 31 - 35 & 36 - 40 & 41 - 45 & 46 - 50 & 51 - 55 & 56 - 60 & 61 - 65 & 66 - 70 Frequency : & 2 & 3 & 8 & 12 & 16 & 5 & 2 & 3 \end{matrix}$

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Question 4 The range of the data 30, 61, 55, 56, 20, 26, 46, 28, 56 is (a) 26 (b) 30 (c) 41 (d) 61

Ans: (c) Range of data = Maximum value - Minimum value 61 - 20 = 41

Question 4

The range of the data 30, 61, 55, 56, 20, 26, 46, 28, 56 is

(a) 26

(b) 30

(c) 41

(d) 61

Ans: (c)
Range of data = Maximum value - Minimum value
61 - 20 = 41