The mean pocket money of 29 students of a class is 132. If one more student joins the class whose
pocket money is 171, find the new mean.
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The mean pocket money of 29 students of a class is 132. If one more student joins the class whose
pocket money is 171, find the new mean.
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The new average is 133.43.
Step-by-step explanation:
We are given that The mean pocket money of 29 students of a class is Rs. 132.
Now we are given that one more student joins the class whose pocket money is Rs. 175,
So, No. of students = 29+1 = 30
New sum = 3828+175=4003
So,
Hence The new average is 133.43.
The average of 30 observation is 45. if 3 new observqtions 42,44,48 be added, find the new average
Answer:
132+171
= 203 ans
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