Suppose your friend was also interested in looking the use of humor among Chines

Question

Suppose your friend was also interested in looking the use of humor among Chinese students at UIC, and had 98 students fill out her survey. Of these students, 28 used humor when communicating with their healthcare provider. Based on these results, is there a significant difference in the use of humor with healthcare providers between Chinese UIC students and the general UIC student population? In your own words, what does P(z > 3.0) represent? In your own words, what does it mean if a result is statistically significant at the .01 level? In your own words, what do p-values tell us? Give an example of 1) a matched-pairs study and 2) a two sample study.

Explanation / Answer

8.

The P(Z>3) means that you want area of normal curve above 3 deviations away from mean

So, looking at the Z tables, we know that the cumulative area of normal dist till z=3 is 99.85

So, P(Z>3) = 1-.9985 = .15

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