subject
Mathematics, 20.04.2021 19:30 bellam302

g A researcher collected data on the speed of vehicles traveling through a construction zone on a state highway, where the posted speed limit was 25mph. The recorded speed of 20 randomly selected vehicles is given below: 20382439274028372935303132193318342 13623 Calculate the sample mean, standard deviation, and the median of the above data. (Round to one decimal place)

ansver
Answers: 2

Another question on Mathematics

question
Mathematics, 21.06.2019 20:30
Max recorded the heights of 500 male humans. he found that the heights were normally distributed around a mean of 177 centimeters. which statements about max’s data must be true? a) the median of max’s data is 250 b) more than half of the data points max recorded were 177 centimeters. c) a data point chosen at random is as likely to be above the mean as it is to be below the mean. d) every height within three standard deviations of the mean is equally likely to be chosen if a data point is selected at random.
Answers: 2
question
Mathematics, 21.06.2019 21:30
Using the information in the customer order, determine the length and width of the garden. enter the dimensions. length: feet width: feet
Answers: 3
question
Mathematics, 21.06.2019 23:00
Solve the system of equations using the linear combination method. {4x−3y=127x−3y=3 enter your answers in the boxes.
Answers: 1
question
Mathematics, 22.06.2019 03:00
Will give the box plots below show the math scores of students in two different classes: class a 55 72 75 89 95 class b 55 70 75 94 100 based on the box plots, which statement is correct? a: the median score of class a is greater than the median score of class b. b: the lower quartile of class a is greater than the lower quartile of class b. c: the upper quartile of class a is greater than the upper quartile of class b. d: the maximum score of class a is greater than the maximum score of class b.
Answers: 1
You know the right answer?
g A researcher collected data on the speed of vehicles traveling through a construction zone on a st...
Questions
question
Biology, 18.12.2019 02:31
question
Mathematics, 18.12.2019 02:31
Questions on the website: 13722367