subject
Mathematics, 12.12.2019 05:31 izzyisawesome5232

The results from a mid term exam goes as follows: 77,45,72,56,98,60,70,89,50,80,95,70 ,34,77,65,70,70,82,86,86. the mean i calculated was 71.6 and a standard deviation of 16.15. what percentage of the scores are within 1 standard deviation from the mean. what percentage of scores are within 2 standard deviations of the mean.

ansver
Answers: 1

Another question on Mathematics

question
Mathematics, 21.06.2019 18:00
Solve the equation x/4 - 5= -8 -27 -12 -7 12
Answers: 2
question
Mathematics, 21.06.2019 19:30
The figure below shows rectangle abcd and the triangle eca on a coordinate plane.which of the following expressions represents the perimeter of triangle of triangle eca in units
Answers: 2
question
Mathematics, 21.06.2019 21:30
The perimeter of a rectangular lot of land is 436 ft. this includes an easement of x feet of uniform width inside the lot on which no building can be done. if the buildable area is 122 ft by 60 ft, determine the width of the easement. select one: a. 9 feet b. 18 feet c. 4.5 feet d. 7 feet
Answers: 3
question
Mathematics, 21.06.2019 23:30
Answer each of the questions for the following diagram: 1. what type of angles are these? 2. solve for x. what does x equal? 3. what is the measure of the angles?
Answers: 1
You know the right answer?
The results from a mid term exam goes as follows: 77,45,72,56,98,60,70,89,50,80,95,70 ,34,77,65,70,...
Questions
question
Mathematics, 15.04.2021 16:40
question
Mathematics, 15.04.2021 16:40
question
Mathematics, 15.04.2021 16:40
question
Biology, 15.04.2021 16:40
question
Computers and Technology, 15.04.2021 16:40
Questions on the website: 13722363