Mathematics, 23.06.2019 16:00 SebiZ3240
Answer all 3 parts 25 points a teacher surveyed her class after they had taken a vocabulary test. eighteen of the students claimed they had studied at least one hour for the test. the remaining twelve students admitted that they had not studied for the test at all. the test results (expressed as a percent) for the two groups are shown below. studied: 87, 100, 94, 79, 92, 100, 95, 83, 89, 99, 100, 91, 89, 95, 100, 93, 96, 83 did not study: 82, 72, 45, 91, 58, 83, 65, 87, 90, 77, 73, 89 part 1: calculate the mean of the group that did not study, rounded to the nearest tenth. part 2: calculate the mean absolute deviation of the group that did not study, rounded to the nearest tenth. part 3: how many of the scores (from the group that did not study) are more than two mean absolute deviations from the mean?
Answers: 1
Mathematics, 21.06.2019 12:40
20 ! need which shows a difference of squares? 10y^2-4x^2 16y^2-x^2 8x^2-40x+25 64x^2-48x+9
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Mathematics, 21.06.2019 12:50
What is the value of y in the solution to the system of equations? x + y = 12x – 3y = –30a. –8b. –3c. 3d. 8
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Mathematics, 21.06.2019 14:20
Twenty-five percent of the customers entering a grocery store between 5 p.m. and 7 p.m. use an express checkout. consider five randomly selected customers, and let x denote the number among the five who use the express checkout.
Answers: 1
Mathematics, 21.06.2019 17:20
If you are just building your payment history, how many points from a perfect score will you possibly miss?
Answers: 1
Answer all 3 parts 25 points a teacher surveyed her class after they had taken a vocabulary test. e...
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