The number in the interval 20-30 in the observations 25, 81, 20, 22, 16, 6, 17, 15, 12, 30, 32, 10, 91, 8, 11, 20 is: (a) 4 (b) 5 . (c) 6 (d) 7
Answers
Given : observations 25, 81, 20, 22, 16, 6, 17, 15, 12, 30, 32, 10, 91, 8, 11, 20
To Find : The number in the interval 20-30
Solution:
observations 25, 81, 20, 22, 16, 6, 17, 15, 12, 30, 32, 10, 91, 8, 11, 20
6 , 8 , 10 , 11 , 12 , 15 , 16 , 17 , 20 , 20 , 22, 25 , 30 , 32 , 81 ,91
Considering
exclusive class interval
upper limit will not be included Hence 30 will not be part
so 20 , 20 , 22, 25 There are 4 observations
Considering Inclusive class interval where lower and upper both limits are included
Hence 20 , 20 , 22, 25 , 30 There will be 5 observations
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Answer:
5 OBSERVATIONS
Step-by-step explanation:
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