Question

calculate the mean from the following data:
Roll No :1 2 3 4 5 6 7
marks :80 100 110 156 116 120 146

8 9 10
70 86 96​

Answer 1

Answer:

MEAN. SUM OF ALL OBSERVATIONS/NO. OF OBSERVATIONS=108

Step-by-step explanation:

Answer 2

Step-by-step explanation:

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