A researcher would like the evaluate the claim that large doses of vitamin C can help prevent the common cold. One group of participants is given a triple the dose of the daily recommended allowance...

A researcher would like the evaluate the claim that large doses of vitamin C can help prevent the common cold. One group of participants is given a triple the dose of the daily recommended allowance of Vitamin C, compared to the generally accepted dosage (the population). The researcher records the number of colds each individual experiences during the three-month winter season.

a. Formulate a H₀
and a H₁
for a non-directional test using BOTH symbols and words.

b. Formulate a H₀
and a H₁
for a directional test using BOTH symbols and words.