A study of diet and weight gain deliberately overfed 16 volunteers for eight wee
ID: 3271556 • Letter: A
Question
A study of diet and weight gain deliberately overfed 16 volunteers for eight weeks. The mean increase in fat was x = 2.03 kilograms and the standard deviation was s = 1.49 kilograms. What are x and s in pounds? (A kilogram is 2.2 pounds.)
= 4.48 lbs (INCORRECT)
4.5 lbs (INCORRECT)
= 3.28 lbs (INCORRECT)
3.3 lbs (INCORRECT)
I converted 2.03 kg to lbs and got 4.48 lbs. I converted 1.49 kg to lbs and got 3.28 lbs. Both are incorrect, what am I missing?
I even submitted the answers with 4.5 lbs and 3.3 lbs (sig fig reason) but it is still not right??
x= 4.48 lbs (INCORRECT)
4.5 lbs (INCORRECT)
s= 3.28 lbs (INCORRECT)
3.3 lbs (INCORRECT)
Explanation / Answer
Given that, 1 kilogram = 2.2 pounds.
Hence, x = 2.03 kilograms = (2.03 * 2.2) pounds = 4.466 pounds. (Ans).
s = 1.49 kilograms = (1.49 * 2.2) pounds = 3.278 pounds. (Ans).
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