subject
Mathematics, 12.10.2020 23:01 shouyuanroh3685

Written Response! Below are the data collected from two random samples of 500 American adults on the number of hours they spend doing leisure and sports activities per day (rounded to the nearest hour):

Number of hours spent doing leisure and sports activities per day
1 2 3 4 5
Sample A: Number of adults 70 90 135 140 65
Sample B: Number of adults 80 80 130 135 75

Dan concludes that adults spend a mean of 3 hours each day doing leisure and sports activities. Bret thinks the mean is 4 hours. Who is correct—Dan or Bret? Explain your answer in two or three sentences. Make sure to use facts to support your answer.

ansver
Answers: 1

Another question on Mathematics

question
Mathematics, 21.06.2019 15:30
The function Ć’ is defined by Ć’(x) = (x + 3)(x + 1). the graph of Ć’ in the xy-plane is a parabola. which interval contains the x-coordinate of the vertex of the graph of Ć’?
Answers: 2
question
Mathematics, 21.06.2019 17:30
Acircle has a radius of 5/6 units and is centered at (3.6, 7.8) write the equation of this circle
Answers: 1
question
Mathematics, 22.06.2019 02:40
Find the degree 3 taylor polynomial p3(x) of function f(x)=(-3x+15)^(3/2) at a=2
Answers: 2
question
Mathematics, 22.06.2019 03:00
Step by step explanation pls for 10 pts the length of a rectangular board is 3 feet less than twice its width. a second rectangular board is such that each of its dimensions is the reciprocal of the corresponding dimensions of the first rectangular board. if the perimeter of the second board is one-fifth the perimeter of the first, what is the perimeter of the first rectangular board?  
Answers: 1
You know the right answer?
Written Response! Below are the data collected from two random samples of 500 American adults on th...
Questions
question
Mathematics, 30.09.2019 05:30
question
Mathematics, 30.09.2019 05:30
Questions on the website: 13722360