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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
 
sports stadium. (Points : 3)
 
7. Given the class midpoints in the histogram below, create the corresponding grouped frequency distribution:
 
Please see attachment
 
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.

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