Sagot :
Answer:
8
Step-by-step explanation:
Population mean= Sum of all random variables/number of random variables
= (2+ 5 + 7 + 9 + 10 + 11 + 12)/7
=56/7
=8
The population mean is 8
Answer:
mean= ∑/n
mean = 2+5+7+9+10+11+12/7
mean = 56/7
mean = 8