Standard error of the mean is computed by:
Standard error = SD/ sqrt N
Where:
N is the sample size
SD is the standard deviation
To get the standard deviation, you need to get the sqrt of
the variance = sqrt 9 = 3
So plugging in our data:
Standard error = 3 / sqrt (16)
= 0.75
Answer:
= -1 5/12 hope this helps
She can divide the 8 cups by the 1/3 cups
Step-by-step explanation:
The next step will be to divide 8 cups by 1/3 cups
This will be:
= 8÷1/3
=8*3/1-------------dividing by a fraction is the same as multiplying by its reciprocal
= 24
There are 24 1/3cups in 8 cups.
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Answer:
26 feet
Step-by-step explanation:
w: width
w+4 : length
w(w+4) = 572
w² + 4w - 572 = 0
w² + 26w - 22w - 572 = 0
w(w+26) - 22(w+26) = 0
(w-22)(w+26) = 0
w = 22, -26
width = 22 feet
length = w+4 = 22+4 = 26 feet