A study was conducted to determine the effectiveness of varying amounts of vitamin C in reducing the number of common colds. A survey of 450 people provided the following information:
Daily amount of Vitamin C taken
None 500 mg 1000 mg
No Colds 57 26 17
At least one cold 223 84 43
What conclusion can be made?
A.) Approximately 64% of the people that had at least one cold did not take vitamin C.
B.) The data proves that vitamin C has no effect on the number of common colds.
C.) The data proves that vitamin C reduces the number of common colds.
D.) Approximately 50% of the people that had at least one cold did not take vitamin C.
E.) Since common colds are caused by viruses, there is no reason to conclude that vitamin C could have any effect.
