ASSIGNMENT 1 · ECON 3060 - 01 Due Date: September 4,2019
1) The Graduate Management Admission Test (GMAT) is astandardized test used by schools to determine the aptitude ofindividuals who are applying for MBA programs. The range of theGMAT score is 200-800. Brian has recently taken the exam and scored720. This is an example of _______ data.
A) nominal B) ordinal C) interval D) ratio
2) A respondent of a survey indicates that she is currently inher junior year at the University of Texas. This is an example of________ data.
A) nominal B) ordinal C) interval D) ratio
3) Your business statistics class had an exam last week. Theaverage exam score for the class is an example of _________.
A) secondary data
B) qualitative data
C) descriptive statistics D) inferential statistics
4) The following data represent a sample of games won perseason by the San Francisco 49ers of the National Football Leagueover an eight-year period.
13 6 8 7 5 7 4 2 Calculate the mean of this sample.
5) There are currently seven statistics classes being taughtthis semester at Wilmington College. The following data representthe number of students in each class.
20 25 18 32 22 30 28 Calculate the mean of thispopulation.
6) The following table shows the number of absent studentsover the last 25 classes for a particular course.
Number of Absent Students
Frequency
0
9
1
3
2
4
3
5
4
3
5
1
Calculate the mean number of absent students per class.
7) There are currently seven statistics classes being taughtthis semester at Wilmington College. The following data representthe number of students in each class.
20 25 18 32 22 30 28 Calculate the variance of thispopulation.
8) The following data represent the time between customerarrivals, in minutes, at a drive-thru for a fast foodrestaurant.
2410641
Calculate the standard deviation of this sample.
9) There are currently six full-time faculty members in thebusiness department at Neumann University with the following yearsof teaching experience.
7 2 16 10 7 9
Calculate the standard deviation of this population.
10) The following data shows the number of touchdown passesthrown by Eli Manning, a quarterback for the New York Giants of theNational Football League over a six-year period.
24 23 21 27 31 29
Calculate the coefficient of variation for this data.
