STATS
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.
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?
Note: Use the formula in the slides; here frequency distribution table is not provided.
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?
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