4. Mean for the data 10, 20, 30, 40, 50, 60, 70 is
a) 40
b) 30
c) 60
d) 50
IT Sol
Answers
Answered by
0
Answer:
30,29,49may be it will the answer you know your wish ask to your teacher
Answered by
0
Answer:
a)40
Step-by-step explanation:
mean = sum of all observations /totalno.of observations
=10+20+30+40+50+60+70/7
=280/7
=40
so a)40 is correct answer
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