emaliemcfalls1234

30.04.2021 • 

Mathematics

Determine the 95% confidence interval for the difference of the sample means. Then complete the Statements.

The 95% confidence interval is
a) -1.26
b) -1.38
c) -3.48
d) -3.44
to
a) 1.26
b) 3.48
c) 1.38
d) 3.44

The value of the sample mean difference is 1.74, which falls
a) outside
b) within

the 95% confidence interval.

Ответ:

iisofieii1978

03.07.2020

Mathematics

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A.(5,0)
u split the equation into 2 possible equations
y + x = 5
-5y - x = -5

multiply
5(y+x=5)

then add
5y + 5x = 25
-5y -x = -5
= 4x=20
= x=5

then y + 5 = 5

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