Question

Listed below are measured amounts of caffeine (mg per 12oz of drink) obtained in one can from each of 14 brands. Find the range, variance, and standard deviation for the given sample data. Include appropriate units in the results. Are the statistics representative of the population of all cans of the same 14 brands consumed? 5656 3939 4343 5555 0 6060 4646 5050 3535 5656 3838 5555 0 0 -The range of the sample data is 6060 mg per 12 oz of drink. (Round to one decimal place as needed.) -The standard deviation of the sample data is? (Round to one decimal place as needed.) -The variance of the sample data is? Are the statistics representative of the population of all cans of the same 14 brands consumed? A. The statistics are not necessarily representative of the population of all cans of these brands that are consumed because each brand is weighted equally in the calculations. It is unlikely that each of the 14 brands of soda are consumed equally. B. The statistics are likely representative of the population of all cans of these brands that are consumed because each brand is being represented in the sample. C. The statistics are likely representative of the population of all cans of these brands that are consumed because the results from any sample of the 14 brands will be typical of the population. D. The statistics are not necessarily representative of the population of all cans of these brands that are consumed because it is necessary to have at least 5 of each brand in order to get a sample that is representative of the population.

Listed below are measured amounts of caffeine (mg per 12oz of drink) obtained in one can from each of 14 brands. Find the range, variance, and standard deviation for the given sample data. Include appropriate units in the results. Are the statistics representative of the population of all cans of the same 14 brands consumed?

5656
3939
4343
5555
0
6060
4646
5050
3535
5656
3838
5555
0
0

-The range of the sample data is 6060 mg per 12 oz of drink. (Round to one decimal place as needed.)
-The standard deviation of the sample data is? (Round to one decimal place as needed.)
-The variance of the sample data is?
Are the statistics representative of the population of all cans of the same 14 brands consumed?

A. The statistics are not necessarily representative of the population of all cans of these brands that are consumed because each brand is weighted equally in the calculations. It is unlikely that each of the 14 brands of soda are consumed equally.
B. The statistics are likely representative of the population of all cans of these brands that are consumed because each brand is being represented in the sample.
C. The statistics are likely representative of the population of all cans of these brands that are consumed because the results from any sample of the 14 brands will be typical of the population.
D. The statistics are not necessarily representative of the population of all cans of these brands that are consumed because it is necessary to have at least 5 of each brand in order to get a sample that is representative of the population.

Added by Christopher Y.

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