Which of the following is not based on all the observations?
A) Arithmetic Mean
B) Geometric Mean
C) Harmonic Mean
D) Mode
A statistic is a numerical quantity, which is calculated from:
A) Population
B) Sample
C) Data
D) Observations
The height of a student is 60 inches. This is an example of:
A) Qualitative data
B) Categorical data
C) Continuous data
D) Discrete data
The algebraic sum of deviations from the mean is:
A) Maximum
B) Zero
C) Minimum
D) Undefined
In statistics, a population consists of:
A) All people living in a country
B) All people living in the area under study
C) All subjects or objects whose characteristics are being studied
D) None of the above
Which branch of statistics deals with the techniques that are used to organize, summarize, and present the data?
A) Advanced Statistics
B) Probability Statistics
C) Inferential Statistics
D) Descriptive Statistics
In inferential statistics, we study:
A) The methods to make decisions about a population based on sample results
B) How to make decisions about mean, median, or mode
C) How a sample is obtained from a population
D) None of the above

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