The math and verbal sat scores for a random sample of 10 students from a large introductory statistics course are provided. student 1 2 3 4 5 6 7 8 9 10 11 12 math sat 640 620 700 680 600 720 770 580 660 580 655 63.1 verbal sat 580 690 560 560 600 700 620 620 710 500 614 68.8 differences (math - verbal) 60 -70 140 120 0 20 150 -40 -50 80 41 81.0 which data analysis method is more appropriate in this situation: paired data difference in means or difference in means with two separate groups? explain briefly.

Find the slope of the line y =8/9x + 1.

An air conditioning system can circulate 350 cubic feet of air per minute. how many cubic yards of air can it circulate per minute?

Astudy was interested in determining if eating milk chocolate lowered someone's cholesterol levels.ten people's cholesterol was measured. then, each of these individuals were told to eat 100g of milk chocolate every day and to eat as they normally did. after two weeks, their cholesterol levels were measured again. is there evidence to support that their cholesterol levels went down? how should we write the alternative hypothesis? (mud = the population mean difference= before - after)a. ha: mud = 0b. ha: mud > 0c. ha: mud < 0d. ha: mud does not equal 0