Samantha sees an advertisement for a new energy drink that claims to significantly increase your energy during workouts, as compared to people who drink only water during workouts. She decides to test this hypothesis.
Null:
Alternative:
Solution:
Claim: new energy drink that significantly increase your energy during workouts, as compared to people who drink only water during workouts.
We have to state null and alternative hypothesis.
Null: There is no significant increase in mean energy during workouts of people who drink new energy drink as compared to people who drink only water during workouts.
in symbolic form:
where
= mean energy during workouts of people who drink new energy drink
= mean energy during workouts of people who drink water only.
Alternative: There is significant increase in mean energy during workouts of people who drink new energy drink as compared to people who drink only water during workouts.
in symbolic form:
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