MGSC 291-Exam 1 Questions and
Answers Graded A+
The branch of statistical statistics called descriptive statistics summarizes
important aspects of a data set.
True/False - Correct answer-True
The branch of statistical data called inferential statistics refers to drawing
conclusions about sample data by analyzing the corresponding population.
True/False - Correct answer-False: Draws conclusions about the population, based
on the sample data from that population
The two branches of the study of statistics are generally referred to as
_____________________. - Correct answer-Descriptive & Inferential
The teachers union in California wants to know the average salary for high school
teachers throughout the country. What will the teachers union presumably
calculate?
A. sample statistic
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, B. Sample Parameter
C. Population Statistic
D. Population Parameter - Correct answer-A
Which of the following is an example of cross-sectional data?
A. GDP of the United States from 1990-2010
B. Daily price of DuPont stock during the first quarter
C. Quarterly housing starts collected over the last 60 years
D. Results of market research testing consumer preferences fro soda - Correct
answer-D
Which of the following is an example of time series data?
A. The sales price of townhouses sold last year
B. Quarterly housing starts collected over the last 60 years
C. Results of market research testing consumer preferences for soda
D. Starting salaries of recent business graduates at Penn State University - Correct
answer-B
It came as a big surprise when Apple's touch screen iPhone 4, considered by many
to be the best smartphone ever, was found to have a problem (The New York
©COPYRIGHT 2025, ALL RIGHTS RESERVED 2
Answers Graded A+
The branch of statistical statistics called descriptive statistics summarizes
important aspects of a data set.
True/False - Correct answer-True
The branch of statistical data called inferential statistics refers to drawing
conclusions about sample data by analyzing the corresponding population.
True/False - Correct answer-False: Draws conclusions about the population, based
on the sample data from that population
The two branches of the study of statistics are generally referred to as
_____________________. - Correct answer-Descriptive & Inferential
The teachers union in California wants to know the average salary for high school
teachers throughout the country. What will the teachers union presumably
calculate?
A. sample statistic
©COPYRIGHT 2025, ALL RIGHTS RESERVED 1
, B. Sample Parameter
C. Population Statistic
D. Population Parameter - Correct answer-A
Which of the following is an example of cross-sectional data?
A. GDP of the United States from 1990-2010
B. Daily price of DuPont stock during the first quarter
C. Quarterly housing starts collected over the last 60 years
D. Results of market research testing consumer preferences fro soda - Correct
answer-D
Which of the following is an example of time series data?
A. The sales price of townhouses sold last year
B. Quarterly housing starts collected over the last 60 years
C. Results of market research testing consumer preferences for soda
D. Starting salaries of recent business graduates at Penn State University - Correct
answer-B
It came as a big surprise when Apple's touch screen iPhone 4, considered by many
to be the best smartphone ever, was found to have a problem (The New York
©COPYRIGHT 2025, ALL RIGHTS RESERVED 2
