ECO 578 Midterm Examination Answers
Part A: Answer the following questions (1-8)
Name 6 reasons why we use samples instead of an entire population.
Name 3 types of statistical samples
Name measures of spread or variability.
Name 4 types of random samples.
What are the uses of regression analysis?
Suppose the classes for an organized set of data are as follows: please fill in the A column and answer the B question.
What is the value of class width?
0.235 – 0.875
0.875 – 1.515
1.515 – 2.155
Suppose the classes for an organi