Bruce Partridge
2022-03-01
faraidz3i
Beginner2022-03-02Added 10 answers
Introduction:
The sample size considered here is, n = 15.
Explanation:
It is of interest to construct a confidence interval for the population mean measurement.
Now, an unbiased point estimate for the population mean is the sample mean. As a result, the confidence interval is constructed using the sample mean, its standard error, and a confidence level. The construction of the confidence interval for the population mean requires the basic assumption of at least an approximate normal distribution of the variable of interest.
The sampling distribution of the sample mean,
If the sample size is large
In this case, no information is available regarding the distribution of the measurements. As a result, it cannot be said that the measurements are normally distributed.
Further, the sample size of n = 15 is not large. Thus, it is not possible to assume even an approximate normal distribution.
Thus, the requirements for constructing a confidence interval for the population mean are not satisfied.
Miles Martin
Beginner2022-03-03Added 6 answers
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