Mathematics, 23.01.2020 17:31 sarahppalenz9519
Aresearcher is interested in studying the perceived life satisfaction among younger adults and hypothesizes that life satisfaction among younger adults is different than the general public. she did a pilot study and gave a life satisfaction test (known to have high reliability and validity) to nine younger adults (between 20 and 30). scores on the measure range from 0 to 5 with 5 indicative of high life satisfaction, and 0 indicative of no life satisfaction.
the data are presented below. assume that life satisfaction for general public is 2.5, conduct the appropriate test and answer the questions. 4, 3, 3, 4, 5, 2, 2, 2, 2.
what would be the null hypothesis of this study?
a. h0: mean= 3
b. h0: mean = 2.5
c. h0: mean < 5
d. h0: mean > 2.5
e. none of the above
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