Honors MathRegular MathGeneral Math6thGrade34 45 15 7thGrade37 49 13 8thGrade29 45 17

Hypotheses: Level of math is independent ofgrade level. Level of math is dependent ongrade level. Enter the expected matrix - round to 4 decimal places. Honors MathRegular MathGeneral Math6thGrade33.098646.007014.89447thGrade34.859648.454215.68668thGrade32.042344.538714.4190After running an independence test, can it be concluded that level of math is dependent on grade level? NoAn electronics store has 4 branches in a large city. They are curious if sales in any particular department are different depending on location. They take a random sample of purchases throughout the 4 branches – the results are recorded below. Run an independence test for the data below at the 0.05 level of significance. AppliancesTVComputersCamerasCell PhonesBranch 154 28 61 24 81 Branch 244 21 55 23 92 Branch 349 18 49 30 72 Branch 451 29 65 29 102

Hypotheses: Sales in the various departments are independent ofbranch. Sales in the various departments are dependent onbranch. Enter the test statistic - round to 4 decimal places. 7.4224Enter the P-Value - round to 4 decimal places. 0.8285Can it be concluded that sales in the various departments are dependent on branch? NoThe medal count for the 2018 winter Olympics is recorded below. Run an independence test to find out if the medal won is dependent on country. Use α=0.10. GoldSilverBronzeNorway14 14 11 Germany14 10 7 Canada11 8 10 United States9 8 6 Hypotheses: Medal won is independent ofcountry. Medal won is dependent oncountry. Enter the test statistic - round to 4 decimal places. 1.5783Enter the P-Value - round to 4 decimal places. 0.9541Can it be concluded that medal won is dependent on country? No