Question about the internet independent of race

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Reference no: EM131008196

The same poll as in Exercise 9 also asked the questions "Did you use the Internet yesterday?" and "Are you White, Black, or Hispanic/Other?" Is the response to the question about the Internet independent of race? The data follow:

id You Use the Internet Yesterday?

Yes No

White Black

Hispanic/Other

2546 856

314 146

431 174

a) Under the null hypothesis, what are the expected values?

b) Compute the x2 statistic.

c) How many degrees of freedom does it have?

d) Find the critical value for a = 0.05.

e) What do you conclude?

Reference no: EM131008196

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