Mathematics, 17.05.2021 20:50 frankgore7836
Students want to determine if there is a significant correlation between the amount of free time spent using their cell phones and their GPA. Determine the type of study used in each examples
(a-c) below.
a)
Part A
(a.) 50 students were selected randomly and asked about the number of hours they spent in a week using their phones and their current GPA.
Part B
(b.) The GPA's of 50 randomly selected students that do not own cell phones were recorded and compared to 50 randomly selected students with cell phones and their
GPA's.
Part C
(c.) Ten students with poor GPA's had their cell phones restricted for a year. After the year their current GPA was compared with their GPA from the previous year.
Part D
Which of the above examples (a-c) would you suggest be used for the study? Explain your reasoning.
Answers: 3
Mathematics, 21.06.2019 16:00, nathanb29oue8gj
Aheated piece of metal cools according to the function c(x) = (.5)x ? 7, where x is measured in hours. a device is added that aids in cooling according to the function h(x) = ? x ? 2. what will be the temperature of the metal after two hours?
Answers: 2
Mathematics, 21.06.2019 20:30, angellll4455
Secant be and cf intersect at point d inside a what is the measure of cde
Answers: 1
Mathematics, 21.06.2019 22:10, Kurlyash
Atype of plant is introduced into an ecosystem and quickly begins to take over. a scientist counts the number of plants after mmonths and develops the equation p(m)= 19.3(1.089)^m to model the situation. most recently, the scientist counted 138 plants. assuming there are no limiting factors to the growth of the plants, about how many months have passed since the plants werefirst introduced? a)o 6.1b)0.6.6c)10 72d)o 23.1
Answers: 3
Students want to determine if there is a significant correlation between the amount of free time spe...
Mathematics, 02.02.2020 17:47
English, 02.02.2020 17:47
Social Studies, 02.02.2020 17:47