Question

The how the Comparison below count for the countries towing international Using a 0.003, potom h o determine the type of metal and economie endelare why the land the p r achigureret of independence based on the information in the Cheste core O A His Type of model and country that emedite independent of one another Hy. The country that are the medalfects the type of metal OBHs Type of medendo comedit are independent of one or The type of metal affects the county bateaned it OD Type of me and country that came are not independent of one another Type of medal w a t med tren dent of one Hy we of me thod Find the chique et 7. Round to two decimal places as Using a nd technical x- flourds two decimal passed Determine that of the Choose the correcta Click to select your answers

Answer 1

Observed Value (01) Country/nedal Gold SherBronze Total 14 10 9 14 с 15 Total Expected value is calculated by Expected value of ith row and th column= (ith row total *jth column total) /Table total which is given below Expected value (6) Country/medal Gold Shrer Bronze Total 12.75 13.875 9.375 10.9791667 11.94792 8.071917 10.2708333 11.1778 7.552083 Total 34 37 25 (a) > Answer: Hoc Type of medal and country that earned it are independent to one another. Har Type of medal and country that earned it aren't independent to one another. Here, (0:-2: 1102941176 0.0012613 14011667 6.687326059 0.35245023 0.142594 2171527145 0.42405444 0.862428 -E:) X2 test statistics is = 6.55 = Degree of freedom=(no of rows - 1)*(no.of columns-1)=(3-1) * (3-1)=4 P-value={X2 >9.7778) = 0.1617 For the level of significance of 0.025, Critical value=11.14 Here test statistics is less than the citical value ie 6.55 <111.14. Here we don't have sufficient evidence to reject the rull hypothesis. Hence the type of medal and country that earned it are independent to one another.