2014) – Solutions Manual – Navidi
What is a statistic? - answers-Any numerical summary measure based on data from a
sample; contrasts with a parameter which is based on data from a population.
Population - answers-Population is the entire scope of the data to be represented.
Sample - answers-A sample is a section of the population used to gather data.
Simple Random Sampling - answers-Simple Random Sampling, or SRS, is an unbiased method of
gathering sample data; each member of the population has an equal chance of being chosen.
In this course, the word 'sample' refers to srs.
Univariate Data - answers-Data that consists of only one variable.
Bivariate Data - answers-Data that consists of two variables.
Multivariate Data - answers-Data that consists of two or more variables ( however, datasets
with two variables will be considered bivariate).
What are the two main types of data? - answers-Numerical and Categorical
Numerical Data Consists of two types. What are they? - answers-Continuous Data and Discrete
Data
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