BUAL 5380 Sample Problems Exam 1
Researchers may gain insight into the characteristics of a population by examining a - Answer-sample of
the population
Coding males as 1 and females as 0 in a data set illustrates the use of - Answer-dummy variables
The interquartile range (IQR) represents what percent of the observations? - Answer-middle 50%
Expressed in percentiles, the interquartile range is the difference between the: - Answer-75th and 25th
percentiles
Data that arise from counts are called - Answer-discrete data
How is the median defined if the number of observations is even - Answer-the average of the two
middle observations
A sample of a population taken at one particular point in time is categorized as: - Answer-cross-sectional
Researchers may gain insight into the characteristics of a population by examining a - Answer-sample of
the population
Coding males as 1 and females as 0 in a data set illustrates the use of - Answer-dummy variables
The interquartile range (IQR) represents what percent of the observations? - Answer-middle 50%
Expressed in percentiles, the interquartile range is the difference between the: - Answer-75th and 25th
percentiles
Data that arise from counts are called - Answer-discrete data
How is the median defined if the number of observations is even - Answer-the average of the two
middle observations
A sample of a population taken at one particular point in time is categorized as: - Answer-cross-sectional
