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IgorC [24]
3 years ago
9

If you are a human resources manager and you randomly selected 5 job candidates to interview out of hundreds of equally-qualifie

d candidates that applied for a job without replacement, what would be the standard error of the mean if the standard deviation is 1?
Mathematics
1 answer:
hjlf3 years ago
5 0

Answer:

Standard error of mean = 0.4472 ≈ 0.45

Step-by-step explanation:

Data provided in the question:

Number of randomly selected candidates, n = 5

Standard deviation of the data, σ = 1

Now,

Standard error of mean is calculated using the formula as

⇒ Standard error of mean = \frac{\textup{Standard deviation}}{\sqrt{n}}

on substituting the respective values, we get

⇒ Standard error of mean = \frac{\textup{1}}{\sqrt{5}}

or

⇒ Standard error of mean = \frac{\textup{1}}{\sqrt{5}}

or

⇒ Standard error of mean = \frac{\textup{1}}{2.236}

or

⇒ Standard error of mean = 0.4472 ≈ 0.45

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