the answer is 20x - 3
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5m + n = 10 How to solve this
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Answer:
<h2>The standard error of the mean is 7.56</h2>Step-by-step explanation:
The standard error of the mean is defined as the ratio of standard deviation to the square root of the sample size of a data. The standard error of the mean is mathematically expressed as shown below;
X is the standard error of the mean
is the standard deviation
n is the sample size.
Given;
On substitution into the formula we have;
X ≈ 7.56