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Multivitamin capsule with extra amounts of vitamin c

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Reference no: EM131997034

A medical investigator wanted to test the claim that taking a multivitamin capsule with extra amounts of vitamin C would reduce the frequency of common colds. Pairs of children from the same family were randomly assigned to either the experimental group which received the vitamin C capsule or the control group which received a placebo capsule containing sugar. The parents kept a health record for their child for the year. At the end of a year, the number of days ill due to a cold was determined for each child. Test this claim using (Alpha=0.5) Given the data below:

Sibling pair Vitamin Placebo

1 4 4

2 5 2

3 2 5

4 4 3

5 1 1

T=

One or two tailed test?

T critical value=

Ho=

H1=

Reject or fail to reject Ho?

Reference no: EM131997034

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