Question

can you help me out with the options for the three questions. if its mg per 12oz of drink or brands or brands2 or mg per 12oz of drink.Thanks

Test: Test#1 This Question: 1 pt 100127 (25 complete) ▼ Listed below are measured amounts of cafleine (mg per 12oz of drink) obtained in one can trom e each of 14 brands. Find the range, variance, and standard deviation for the given sample of the populátion of all cans of the same 14 brands consumed? 42 57 37 48 52 50 48 34 The range of the sample data is 57 mg per 120z of drink. Round to one decimal place as needed.) Round to one decimal place as needed.) The variance of the sample data is 19.8 (Round to one decimal place as needed.) Are the statistics representative of the pop (mg per 12oz of drink?. brands conaFed? all cans of these brands that are consumed because each brand is weighted equally in the calculations. t is un these brands that are consumed because each brand is being represented in the sample. O A. The statistics are not necessarily brands brands. O B. The statistics are likely represental OC. The statistics are not necessarily n O D. The statistics are likely cans of these brands t these brands that are consumed because the resuits ftrom any sample of the 14 brands will be ypical of the po that are consumed because it is necessary to have at least 5 of each brand in order to mg per 12oz of drink. ick to select your O Type here to search
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Answer 1

As far as i think, there is a mistake in the answers.

We know that variance is equal to the square of the standard deviation.

And, hence variance can never be greater than standard deviation.

The following is wrong:

Standard deviation is 390.7(mg per 12 oz of drink)²

Variance is 19.8.

The correct answer should be

Standard deviation is 19.8 (mg per 12 oz of drink)

Variance is 390.7 (mg per 12 oz of drink)² (since var = (sd)² )