Answers: 2
Mathematics, 21.06.2019 20:30
3.17 scores on stats final. below are final exam scores of 20 introductory statistics students. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 57, 66, 69, 71, 72, 73, 74, 77, 78, 78, 79, 79, 81, 81, 82, 83, 83, 88, 89, 94 (a) the mean score is 77.7 points. with a standard deviation of 8.44 points. use this information to determine if the scores approximately follow the 68-95-99.7% rule. (b) do these data appear to follow a normal distribution? explain your reasoning using the graphs provided below.
Answers: 1
Mathematics, 22.06.2019 01:30
What is the solution to the system of equations? y=1.5-3 y=-x
Answers: 2
Mathematics, 22.06.2019 02:00
What is the area of this parallelogram? 434.28 cm2 263.67 cm2 527.34 cm2 217.14 cm2
Answers: 1
What is the slope of the line (6,4) and (-3,8)?...
Chemistry, 03.08.2019 19:00
History, 03.08.2019 19:00
Mathematics, 03.08.2019 19:00
Mathematics, 03.08.2019 19:00
History, 03.08.2019 19:00
History, 03.08.2019 19:00
History, 03.08.2019 19:00