Question

巴
Z TEE EL
在司出了
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ale (LEE
33) The following data given the weight (in grams) of 30 oranges picked from a
basket: 106, 107, 76. 109. 187. 95. 125, 92, 70.139. 128. 100. 88. 84. 99, 113, 204: 141.
136, 123. 90, 115, 110.97. 90, 107, 75, 80. 118. 82. Construct a grouped frequency
distribution table taking class width equal to 20 in such a way that the mld-value
of first class in 70.
Your answer step by step ​

Answer 1

Answer:Here , class width = 20

class mark = 70

Half of the class width =20 /2  =10

Upper limit of first class interval = 70 + 10 = 80

Lower limit of  first class interval = 70 – 10 = 60

Thus, class interval becomes 60 – 80

So, frequency distribution table becomes :

(a) Number of oranges weights more than 180 g = 1 + 1 = 2

(b) Number of oranges weights less than 100 g = 3 + 10 = 13

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