Question:

1. Determine if this is an example of probability or statistics:

If a red, blue, and green M&M are placed into a bag, we have a 1/3 chance of reaching in and selecting the red

M&M.

2. Determine if this data is qualitative or quantitative:

1 lb weight

3. Determine if this study is experimental or observational:

Two groups of adults are asked to follow one of two different exercise plans to determine which exercise plan is

most effective.

4. Construct a grouped frequency distribution for the data given below:

38 28 37 40 37 29 39 31 38 32

41 39 40 33 28 29 37 42 31 28

6. Determine if this statistical study is descriptive or inferential:

A study finds that more than two-thirds of city residents would oppose a bond sale to finance construction of a new

7. Given the class midpoints in the histogram below, create the corresponding grouped frequency distribution:

8. In your own line of work, give one example of a discrete

and one example of a continuous random variable, and describe why each is continuous or discrete. (Points : 4)

9. Identify the sampling technique used to obtain this sample:

>From a database of Americans, 1500 people aged 25-37 are randomly selected.