For each Chapter, answer each question in your own words using no more than 2-3
properly constructed sentences . Be sure to
include support for any “choice” answers. Use declarative sentences, citing factual
information based on definitions, procedures, etc.
Chapter 1
1. Explain the difference between a population and a sample .
2. Explain the difference between quantitative variable and qualitative variable.
3. Explain the difference between descriptive statistics and inferential statistics.
Chapter 2
1. For a dataset, without constructing of the frequency distribution table; how to obtain the class width of frequency distribution table if the number of classes is given?
2. Explain the difference between a frequency distribution table and a relative frequency distribution table
1. Explain the difference between mean and median. Is mean always larger than median?
2. Explain the difference between μ and x . How do you determine which is appropriate to use in a problem?
3. Explain the difference between σ and s. How do you determine which is appropriate to use in a problem?
4. What is the relationship between variance and standard deviation?
