Confidence intervals are a function of which of the following three things?
A) The population,the sample,and the standard deviation
B) The sample,the variable of interest,and the degrees of freedom
C) The data in the sample,the confidence level,and the sample size
D) The sampling distribution,the confidence level,and the degrees of freedom
E) The mean,median,and mode

Question

Quizplus · Accepted Answer

Confidence intervals are a function of the data in the sample, the confidence level chosen by the researcher, and the sample size. The population and standard deviation are used to calculate the standard error, which is then used to construct the interval. However, they are not directly a function of the confidence interval. The variable of interest and degrees of freedom are also important concepts in statistics but are not directly related to constructing a confidence interval. The sampling distribution is used to calculate the standard error but is not part of the actual construction of the interval. The mean, median, and mode are measures of central tendency and are not directly related to constructing a confidence interval.

Confidence Intervals Are a Function of Which of the Following