A business analyst in a software design company reviewed a series of national surveys of user satisfaction (rated on a ten-point satisfaction scale) with a new gaming interface the company had recently launched. She found that the survey mean was 8. However, her standard error was high (89.5), how should she interpret her results?
A) The sample mean is representative of the population mean
B) The sample mean might not be representative of the population mean
C) The sample mean has a low standard deviation
D) The sample has a high standard deviation

Question

Quizplus · Accepted Answer

A high standard error indicates that there is a large amount of variability in the sample data and that the sample mean may not be a good representation of the population mean. Therefore, the business analyst should be cautious when interpreting the results and should consider collecting more data or investigating potential reasons for the high standard error.

A Business Analyst in a Software Design Company Reviewed a Series