Mathematics, 22.04.2021 14:00, aupein
10 II 12 IJ I 14 10 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: 3
Mathematics, 21.06.2019 18:40, reggie1127
Christina can paint 420 square feet in 105 minutes. which unit rate describes the scenario?
Answers: 1
Mathematics, 22.06.2019 00:30, student176
Will mark 50 show all what is the solution to the system of equations? use the substitution method and show your work. -5x+y= -3 -15 x+3y=7 explain what your answer in part (a) tells you about the association of the lines in this system.
Answers: 1
10 II 12 IJ I 14 10 A teacher surveyed her class after they had taken a vocabulary test. Eighteen of...
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