6. A book publisher wants to know if there is a relationship between gender and book-type preferences in recreational readers. Recreational readers in a simple random sample were asked if they prefer reading mysteries, romance novels, or self-help books. The following table lists the resulting number of respondents, by gender and book type. Use these results for parts (a) through (d). SHOW WORK. Mystery Romance Self-help Row Totals Male 243 201 191 635 Female 135 149 202 486 Column Totals 378 350 393 112 (a) Rounded to the nearest whole number, how many males would prefer reading self-help books if there is no relationship between gender and reading preference? SHOW WORK A) 111 B) 191 C) 223 D) 620 (b) Rounded to the nearest whole number, the expected number of females who prefer romance is 152. What is their contribution to the chi-square test statistic? SHOW WORK A) 9 B) 3 C) 0.06 D) 0.02 (c) Suppose the chi-square value for this test was 7.43, using the appropriate table, what is the corresponding p-value? A) .25
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