Answer:
Option B)
Step-by-step explanation:
We are given the following in the question:
A researcher is interested in studying the perceived life satisfaction among younger adults.
The hypothesis is conducted to check that life satisfaction among younger adults is different than the general public.
Life satisfaction for general public = 2.5
Data:
4, 3, 3, 4, 5, 2, 2, 2, 2
We have to design the null hypothesis.
The researcher claims that life satisfaction is different for younger adult and general public.
But the null hypothesis always state equality between the population and the sample.
Thus, the null hypothesis will be
Option B)