# KSEEB Solutions for Class 8 Maths Chapter 13 Statistics Ex 13.3

In this chapter, we provide KSEEB SSLC Class 8 Maths Chapter 13 Statistics Ex 13.3 for English medium students, Which will very helpful for every student in their exams. Students can download the latest KSEEB SSLC Class 8 Maths Chapter 13 Statistics Ex 13.3 pdf, free KSEEB SSLC Class 8 Maths Chapter 13 Statistics Ex 13.3 pdf download. Now you will get step by step solution to each question.

### Karnataka State Syllabus Class 8 Maths Chapter 13 Statistics Ex 13.3

Question 1.
Runs scored by 10 batsmen in a one-day cricket match are given. Find the average run scored. 23, 54, 08, 94, 60, 18, 29, 44, 05, 86
Σ x = 23 + 54 + 08 + 94 + 60 + 18 + 29 + 44 + 05 + 86 = 421
N = 10
Average = Mean = $\overline{X}=\frac{\Sigma x}{N}=\frac{421}{10}=42.1$

Question 2.
Find the mean weight form the following table:

Mean = ΣfXN=47315=31.53

Question 3.
Calculate the mean for the following frequency distribution.

Mean = ΣfxN=171040=42.75

Question 4.
Calculate the mean for the following frequency distribution.

Mean = X¯¯¯¯=ΣfXN=114540=28.625

Question 5.
Find the median of the data 15,22, 9,20, 6,18,11,25,14.
6, 9, 11, 14,(15), 18, 20, 22,25 (Ascending order)
N = 9, $\frac{N+1}{2}+\frac{9+1}{2}=\frac{10}{2}=5^{\text { th }}$
Median = 15.

Question 6.
Find the median of the data 22,28,34, 49, 44, 57,18,10,33, 41, 66, 59.
10, 18, 22, 28, 33, 34, 41, 44, 49, 57, 59, 66 (Ascending order)
N = 10
∴ Median = $\frac{34+41}{2}=\frac{75}{2}=37.5$

Question 7.
Find the median for the following frequency distribution table.

N = 50
N2=5025/2=25
∴ Median class is 130 – 139
LRL = 129.5
Fc = 14
Fm = 15
i = 10 Question 8.
Find the median for the following frequency distribution table.

N = 40
N2=402=20
∴ Median class is 15 – 20
LRL = 15
Fc = 17
Fm = 9
i = 5 Question 9.
Find the mode for the following data.
(i) 4,3,1,5,3, 7, 9,6 Answer: Mode = 3
(ii) 22,36,18,22,20,34,22, 42, 46,42
Mode = 22

Question 10.
Find the mode for the following data

Mode = 20 (It has the highest frequency)

All Chapter KSEEB Solutions For Class 8 maths

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All Subject KSEEB Solutions For Class 8

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