Mathematics, 25.01.2021 21:10 alanadwhite48

A doctor claims that the mean number of hours of sleep that seniors in high school get per night differs from the mean number of hours of sleep college seniors get per night. To investigate, he selects a random sample of 50 high
school seniors from all high schools in his county. He also selects a random sample of 50 seniors from the colleges
in his county. He constructs a 95% confidence interval for the true mean difference in the number of hours of sleep
for seniors in high school and seniors in college. The resulting interval is (0.57, 1.25). Based upon the interval, can
the doctor conclude that mean number of hours of sleep that seniors in high school get per night differs from the
mean number of hours of sleep college seniors get per night?
-yes because 1 is in the confidence interval -yes because 0 is not in the confidence interval -no because 1 is in the confidence interval. -no because 0 is not in the confidence interval

Answers: 1

Show answers

Another question on Mathematics

Mathematics, 21.06.2019 15:00

The data shown in the table below represents the weight, in pounds, of a little girl, recorded each year on her birthday. age (in years) weight (in pounds) 2 32 6 47 7 51 4 40 5 43 3 38 8 60 1 23 part a: create a scatter plot to represent the data shown above. sketch the line of best fit. label at least three specific points on the graph that the line passes through. also include the correct labels on the x-axis and y-axis. part b: algebraically write the equation of the best fit line in slope-intercept form. include all of your calculations in your final answer. part c: use the equation for the line of best fit to approximate the weight of the little girl at an age of 14 years old.

Answers: 3

Answer

Mathematics, 21.06.2019 18:10

The number of branches on a tree demonstrates the fibonacci sequence. how many branches would there be on the next two levels of this tree? 13 | | | m branches

Answers: 3

Answer

Mathematics, 21.06.2019 21:00

Acomposition of transformations maps δxyz to δx"y"z". the first transformation for this composition is , and the second transformation is a 90° rotation about point x'.

Answers: 1

Answer

Mathematics, 21.06.2019 21:50

What additional information is needed to prove that the triangles are congruent using the aas congruence theorem? o lolm o oama o zloa zlma o zlao – zlam

Answers: 1

Answer

You know the right answer?

A doctor claims that the mean number of hours of sleep that seniors in high school get per night dif...

Questions