Mathematics, 26.01.2021 01:00 nxxjx
The graph shows the scores of an exam. The mean is 84. The standard deviation is 2.5. About what percent of students scored within one standard deviation of the mean?
Distribution of Exam Scores
20
Percent
10
0
78
80
82
90
86
88
84
Score
68%
75%
32%
45%
Answers: 1
Mathematics, 21.06.2019 14:30
Ineed asap.i cant understand this question i need someone to me right away
Answers: 3
Mathematics, 21.06.2019 16:30
Identify the converse of the following conditional: if a point is in the first quadrant, then its coordinates are positive. if the coordinates of a point are not positive, then the point is not in the first quadrant. if the coordinates of a point are positive, then the point is in the first quadrant. if a point is in the first quadrant, then its coordinates are positive. if a point is not in the first quadrant, then the coordinates of the point are not positive.
Answers: 2
Mathematics, 21.06.2019 22:30
Will mark brainlist what is the slope of the line passing through the points (-2, -8) and (-3,-9)? -7/5-5/71-1
Answers: 2
The graph shows the scores of an exam. The mean is 84. The standard deviation is 2.5. About what per...
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