Mathematics, 28.06.2021 17:10, coreyslotte
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: 88, 100, 94, 79, 92, 100, 95, 83, 89, 99, 100, 91, 89, 95, 100, 93, 96, 84. Did Not Study: 82, 72, 45, 91, 58, 83, 65, 87, 90, 77, 73, 89. Which of the following statements are true? A. there is no mode B. in general, those students that studied scored much higher than those students that did not study C. the mean of the group tha studied is over 15 percentage points higher than the mean of the group that did not study D. the median of the group that studied is over 95 E. the median of the group that did not study is less than 80 plzz help!!!
Answers: 2
Mathematics, 21.06.2019 17:20, organicmemez
Researchers were interested in whether relaxation training decreases the number of headaches a person experiences. they randomly assigned 20 participants to a control group or a relaxation training group and noted the change in number of headaches each group reported from the week before training to the week after training. which statistical analysis should be performed to answer the researchers' question?
Answers: 2
Mathematics, 21.06.2019 18:30, povijuaisaiah
Use δjkl and δmpn to determine whether don's claim is true or false. which of the following should don use to prove the triangles are similar? sss sas aas aa
Answers: 1
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