a) What are the missing expected cell counts? b) Explain why we can apply the chi-squared test of independence. c) State the hypothesis of the chi-squared test.

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a) What are the missing expected cell counts? b) Explain why we can apply the chi-squared test of independence. c) State the hypothesis of the chi-squared test.
The following contingency table shows the 2018 General Social Survey's data
on the respondent's level of confidence in education, cross-tabulated with the
respondent's race, for a random sample of 1562 U.S. adults. For each cell, the
expected cell count is written in red color and displayed underneath the
observed count, which is written in black color. Some of the expected cell
counts are missing.
CONFIDENCE IN EDUCATION
RACE OF
Total
RESPONDENT
A
deal
Only some
Hardly any
247
678
199
White
1124
(286.4)
(638.3)
(199.3)
79
118
44
Black
241
(42.7)
72
91
34
Other
197
(34.9)
Total
398
887
277
1562
Transcribed Image Text:The following contingency table shows the 2018 General Social Survey's data on the respondent's level of confidence in education, cross-tabulated with the respondent's race, for a random sample of 1562 U.S. adults. For each cell, the expected cell count is written in red color and displayed underneath the observed count, which is written in black color. Some of the expected cell counts are missing. CONFIDENCE IN EDUCATION RACE OF Total RESPONDENT A deal Only some Hardly any 247 678 199 White 1124 (286.4) (638.3) (199.3) 79 118 44 Black 241 (42.7) 72 91 34 Other 197 (34.9) Total 398 887 277 1562
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