Samples of sizen = 9 are selected from a normal population withp = 80 with o = 18. What is the expected value for the mean of the distribution of sample means? O HM = 6 O UM = 18 O HM = 80/3 %3D O UM = 80

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Samples of size n= 9 are selected from a normal population with u
=80 with o =18. What is the expected value for the mean of the distribution of sample means?
O HM= 6
uM-18
O PM= 80/3
O pM = 80
Transcribed Image Text:Samples of size n= 9 are selected from a normal population with u =80 with o =18. What is the expected value for the mean of the distribution of sample means? O HM= 6 uM-18 O PM= 80/3 O pM = 80
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