1. A study was conducted to testthe hypothesis that Vitamin C significantly redu

Question

1. A study was conducted to testthe hypothesis that Vitamin C significantly reduces incidence ofthe common cold. 11 of the study participants were randomlyallocated to a treatment group
which received daily Vitamin C capsules. Another 11 participantswere randomly allocated to
the control group which received daily placebo capsules. Boththe participants and the nurses
administering the capsules did not know which goup individualparticipants belonged to.
The number of colds caught over a 12-month period by eachparticipant are shown below.
Assume the data for both groups are random samples from independentnormally distributed populations.

Number of Colds in 12-month Period

Treatment Group: 4 0 3 4 4 2 3 4 2 3 4
Control Group:      7 8 6 5 6 4 7 5 5 6 4

How do I calculate the value of the test statistic and the pValuefor the test for this independent two-sample test? Any help would be greatly appreciated! 1. A study was conducted to testthe hypothesis that Vitamin C significantly reduces incidence ofthe common cold. 11 of the study participants were randomlyallocated to a treatment group
which received daily Vitamin C capsules. Another 11 participantswere randomly allocated to
the control group which received daily placebo capsules. Boththe participants and the nurses
administering the capsules did not know which goup individualparticipants belonged to.
The number of colds caught over a 12-month period by eachparticipant are shown below.
Assume the data for both groups are random samples from independentnormally distributed populations.

Number of Colds in 12-month Period

Treatment Group: 4 0 3 4 4 2 3 4 2 3 4
Control Group:      7 8 6 5 6 4 7 5 5 6 4

How do I calculate the value of the test statistic and the pValuefor the test for this independent two-sample test? Any help would be greatly appreciated!

Explanation / Answer

1. A study was conducted to testthe hypothesis that Vitamin C significantly redu

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