the marks of 25 students are given below
42,10,12,35,40,33,11,10,12,42,9,7,2,9,15,22,11,38,44,40,41,12,13,40,33
prepare a frequency distribution from the above data
Answers
Answer:
Mathematics Solutions for Class 8 Math Chapter 5 - Statistics
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Textbook Solutions Class 8 Math Statistics
Mathematics Solutions Solutions for Class 8 Math Chapter 5 Statistics are provided here with simple step-by-step explanations. These solutions for Statistics are extremely popular among Class 8 students for Math Statistics Solutions come handy for quickly completing your homework and preparing for exams. All questions and answers from the Mathematics Solutions Book of Class 8 Math Chapter 5 are provided here for you for free. You will also love the ad-free experience on Meritnation’s Mathematics Solutions Solutions. All Mathematics Solutions Solutions for class Class 8 Math are prepared by experts and are 100% accurate.
Page No 107:
Question 1:
The marks scored by 40 candidates in an examination (out of 100) is given below:
75, 65, 57, 50, 32, 54, 75, 67, 75, 88, 80, 42, 40, 41, 34, 78, 43, 61,
42, 46, 68, 52, 43, 49, 59, 49, 67, 34, 33, 87, 97, 47, 46, 54, 48, 45,
51, 47, 41, 43.
Prepare a frequency distribution table with the class size 10. Take the class intervals as (30 - 39), (40 - 49), … and answer the following question:
(a) Which class intervals have highest and lowest frequency?
(b) Write the upper and lower limits of the class interval 30-39.
(c) What is the range of he given distribution?
ANSWER:
The frequency distribution table for the given marks can be drawn as:
(i) The class interval (40−49) has the highest frequency and the class interval (90−99) has the lowest frequency.
(ii) In the class interval (30−39), the lower limit is 30 − 0.5 = 29.5 and the upper limit is
39 + 0.5 = 39.5.
(iii) The range of the given distribution is 97− 32 = 65.
Answer:
yes upper answer is right