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Sagot :
The standard error of the sample mean of a given sample of 43 observations with standard deviation 8.85 is equal to 1.35 ( round to 2 decimal places).
As given in the question,
Population mean of the random variable 'μ' = 141
Standard deviation 'σ' = 8.85
Sample size 'N' = 43 observations
Standard error of the sample mean
= σ / √N
= 8.85 / √43
= 8.85 / 6.56
= 1.349
= 1.35 (round to 2 decimal places )
Therefore, for the given standard deviation and sample size the standard error of the sample mean is equal to 1.35.
Learn more about standard deviation here
brainly.com/question/16555520
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