6. Which pair of numbers should replace the question marks in the table (these are the expected frequencies for males in the each of the blood pressure categories)?

a) 167.5 and 82.5

b) 355 and 145

c) 250 and 250

d) None of the above

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Female Male Total Normal blood pressure Observed 375 335 710 Expected 355 ? High blood pressure Observed 125 165 290 Expected 145 ? Total Observed 500 500 1000 Chi-Square Tests Asymp. Sig Exact Sig Exact Sig. Value df (2-sided) (2-sided) (1-sided) Pearson Chi-Squaro 7.771 1 .005 Continuity Correction' 7.387 1 007 Likelihood Ratio 7.790 1 .005 Fisher's Exact Test .007 .003 Linear-by-Linear 7.763 1 .005 Association N of Valid Cases 1000 a. 0 cells (.0%) have expected count less than 5. The minimum expected count is 145.00. b. Computed only for a 2x2 table Symmetric Measures Value Approx. Sig. Nominal by Nominal Phi .088 .005 Cramer's V .088 .005 N of Valid Cases 1000