subject
Mathematics, 04.01.2020 21:31 pearljammarow6ujs

Ahighway speed monitor is located on the side of the road that has a speed limit of 45 mph. the system records the speeds of passing vehicles. the data below shows the speeds of the first 9 cars that pass. 46 56 45 44 45 61 55 53 39 what is the standard deviation, to the nearest tenth, based on the posted speed limit, 45 mph?

ansver
Answers: 2

Another question on Mathematics

question
Mathematics, 20.06.2019 18:04
Acollege is planning to construct a rectangular parking lot on land bordered on one side by a highway. the plan is to use 680 feet of fencing to fence off the other three sides. what dimensions should the lot have if the enclosed area is to be a maximum?
Answers: 3
question
Mathematics, 21.06.2019 15:20
Given: f(x) = 2x + 5 and g(x) = x2 and h(x) = -2x h(g(f( = x2+ vx+ x + y
Answers: 3
question
Mathematics, 21.06.2019 19:30
The standard deviation for a set of data is 5.5. the mean is 265. what is the margin of error?
Answers: 3
question
Mathematics, 22.06.2019 02:00
Would greatly appreciate these 3 answers
Answers: 3
You know the right answer?
Ahighway speed monitor is located on the side of the road that has a speed limit of 45 mph. the syst...
Questions
question
Mathematics, 18.10.2019 21:50
question
Social Studies, 18.10.2019 21:50
question
Mathematics, 18.10.2019 21:50
Questions on the website: 13722367