Jennifer Wants to Find a 95% Confidence Interval for the Time

question 64

True/False

Jennifer wants to find a 95% confidence interval for the time it takes her to get to work.
She kept records for 30 days and found her average time to commute to work was 20.5
minutes with a standard deviation for the population of 3.9 minutes. Jennifer's margin of
error would be 1.4 minutes.

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Definitions:

Statistical Programming

The use of software to perform statistical analysis and manage data.

Programming Proficiency

The level of expertise or skill in writing computer programs in one or more programming languages.

SAS Software

A software suite developed by SAS Institute Inc. for advanced analytics, multivariate analysis, business intelligence, data management, and predictive analytics.

Highest Education Level

The maximum level of formal education successfully completed by an individual.