The distribution given below shows the runs scored by batsmen in one-day cricket matches. Find the mean number of runs.
20 – 100
= –80
23 × 80
= 1840
Mean(𝑥 ̅) = a + (∑▒𝒇𝒊𝒅𝒊)/(∑▒𝒇𝒊)
Where
a = Assumed Mean
h = Class interval
½ marks
= 40 − 0 = 40
Putting values in formula
Mean = 100 + 𝟗𝟐𝟎/𝟏𝟐𝟎
= 100 + 92/12
= 100 + 23/3
= 100 + 7.66
= 107.66
Thus, Mean number of runs are 107.66 runs
½ marks
½ marks
Davneet Singh has done his B.Tech from Indian Institute of Technology, Kanpur. He has been teaching from the past 13 years. He provides courses for Maths, Science, Social Science, Physics, Chemistry, Computer Science at Teachoo.
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