In my homework assignment- I chose the second option because none of the other options had an equality sign BUT this is directional. Am I correct? If so, I would have thought that the symbol would be equal to and greater than...not less than. This where I am having some confusion. Scenario A. Maribel sees an ad for a phone app that is supposed to help improve (indicating directional) your sleep quality. She decides to test this out. She compares her sleep quality before and after using the app. What is the null hypothesis for this scenario? H0: Sleep quality with the app < sleep quality without the app H0: Sleep quality with the app ≤ sleep quality without the app H0: Sleep quality with the app ≠sleep quality without the app H0: Sleep quality with the app > sleep quality without the app
In my homework assignment- I chose the second option because none of the other options had an equality sign BUT this is directional. Am I correct?
If so, I would have thought that the symbol would be equal to and greater than...not less than. This where I am having some confusion.
Scenario A. Maribel sees an ad for a phone app that is supposed to help improve (indicating directional) your sleep quality. She decides to test this out. She compares her sleep quality before and after using the app. What is the null hypothesis for this scenario?
H0: Sleep quality with the app < sleep quality without the app
H0: Sleep quality with the app ≤ sleep quality without the app
H0: Sleep quality with the app ≠sleep quality without the app
H0: Sleep quality with the app > sleep quality without the app
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