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
Another question on Mathematics
Mathematics, 21.06.2019 15:30
Each of the four sides of a swimming pool measures 9 meters. the pool is 5 meters deep. how much water will be needed to fill it completely? a. 45 cubic meters b. 81 cubic meters c. 225 cubic meters d. 405 cubic meters reset next
Answers: 1
Mathematics, 21.06.2019 19:00
Which graph represents the parent function of y=(x+2)(x-2)
Answers: 1
Mathematics, 21.06.2019 19:20
Which number line represents the solution set for the inequality - x 24?
Answers: 3
Mathematics, 21.06.2019 20:00
Suppose a store sells an average of 80 cases of soda per day. assume that each case contains 24 cans of soda and that the store is open 10 hours per day. find the average number of soda that the store sells per hour.
Answers: 1
You know the right answer?
The graph shows the scores of an exam. The mean is 84. The standard deviation is 2.5. About what per...
Questions
History, 26.01.2021 01:00
Arts, 26.01.2021 01:00
Mathematics, 26.01.2021 01:00
Mathematics, 26.01.2021 01:00
History, 26.01.2021 01:00
Mathematics, 26.01.2021 01:00
Mathematics, 26.01.2021 01:00
Health, 26.01.2021 01:00
Mathematics, 26.01.2021 01:00
History, 26.01.2021 01:00
Mathematics, 26.01.2021 01:00
Chemistry, 26.01.2021 01:00
Physics, 26.01.2021 01:00
