Help pls, I’m doing a timed exam
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Answers: 3
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, 21.06.2019 22:30
Sketch the vector field vector f( vector r ) = 8vector r in the xy-plane. select all that apply. the length of each vector is 8. the lengths of the vectors decrease as you move away from the origin. all the vectors point away from the origin. all the vectors point in the same direction. all the vectors point towards the origin. the lengths of the vectors increase as you move away from the origin.
Answers: 2
Mathematics, 21.06.2019 23:30
Abaseball team drinks 10/4 gallons of water during a game. which mixed number represents the gallons of water consumed? a) 1 1/2 gallons b) 2 1/2 gallons c) 2 3/4 gallons d) 3 1/2 gallons
Answers: 2
Mathematics, 13.07.2019 02:30
History, 13.07.2019 02:30
Mathematics, 13.07.2019 02:30
Mathematics, 13.07.2019 02:30
Mathematics, 13.07.2019 02:30
Mathematics, 13.07.2019 02:30
History, 13.07.2019 02:30
History, 13.07.2019 02:30
Mathematics, 13.07.2019 02:30
Mathematics, 13.07.2019 02:30
Biology, 13.07.2019 02:30
Physics, 13.07.2019 02:30