Question

A survey of children under 15 years of age residing in the inner-city area of a large city were classified according to ethnic group and hemoglobin level. The results are attached. Do these data provide sufficient evidence to indicate, at the .05 level of significance, that the two variables are related? What is the p value for this test? Ethnic Group 9.0-9.9 9.0 Total 10.0 or Greater 80 70 249 1 OO 1 90 30 20 96 200 385 11O 126 Total 320 695 row Col Crosstabulation col 1.00 2.00 Total Count Expected Count Count Expected Count Count Expected Count Count Expected Count 80 100 92.1 190 20 36.3 96 69.8 200 200.O 385 385.O 110 110.O 695 695.O row 71.7 1.00 137.9 70 39.4 249 249.0 2.00 30 50.6 320 320.O 19.9 126 126.0 Total Chi-Square Tests Asymptotic Significance (2- sided Value Pearson Chi-Square Likelihood Ratio Linear-by- N of Valid Cases a. 0 cells (0.0%) have expected count less than 5. The minimum expected count is 19.94 67.802a 67.406 1.671 695 4 4 196 Linear Association A. Yes, these two variables are related: p-value <0.001 B. No, these two variables are not related, p-value <0.001 C. Yes, these two variables are related; p-value 0.196 D. No, these two variables are not related, p-value0.196 E. A conclusion cannot be determined from this analysis

Answer 1

P value is approximately 0 < 0.001

Option A) is correct.