1631 1452 1728 1312 a 1631 b 1452 c 1728 d 1312 SolutionTest

1.631

1.452

1.728

1.312

	a)	1.631
	b)	1.452
c)		1.728
d)		1.312

Test Statistic
Population Mean(U)=6.9
Sample X(Mean)=7.2
Standard Deviation(S.D)=0.8
Number (n)=15
we use Test Statistic (t) = x-U/(s.d/Sqrt(n))
to =7.2-6.9/(0.8/Sqrt(14))
to =1.452

1.631 1.452 1.728 1.312 a) 1.631 b) 1.452 c) 1.728 d) 1.312 SolutionTest Statistic Population Mean(U)=6.9 Sample X(Mean)=7.2 Standard Deviation(S.D)=0.8 Number

1631 1452 1728 1312 a 1631 b 1452 c 1728 d 1312 SolutionTest

Solution

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