Mathematics, 27.05.2021 14:00, ecolifesfsu4949
A school psychologist wants to perform a study at a local elementary
school where 150 students that have long-term concentration issues. The purpose of the study would be to determine if doing jumping jacks for 5 minutes helps with long-term concentration compared to sitting still for 5 minutes.
Part A: Describe an appropriate design for the study. (5 points)
Part B: The hypotheses for this study are as follows:
H0: There is no difference in the mean improvement of long-term concentration for either treatment.
Ha: The mean improvement of long-term concentration is greater for the jumping jacks treatment.
The school will allow students to do jumping jacks during class if the null hypothesis is rejected. What are the possible Type I and II errors? Describe the consequences of each in the context of this study and discuss which type you think is more serious. (5 points)
Answers: 1
Mathematics, 22.06.2019 02:00, saeedalr366
Your company will replace the asphalt roofs on all the buildings at the factory complex shown below. the buildings have flat roofs. you charge according to the total roof area. what is this area, in square yards?
Answers: 3
Mathematics, 22.06.2019 03:30, macylen3900
Arock was dropped from the top of a building. the function that describes the height after it was dropped is f(x)=64-16x^2. what are the zeros of the function and what do they mean?
Answers: 1
A school psychologist wants to perform a study at a local elementary
school where 150 students that...
English, 20.11.2020 21:20
Social Studies, 20.11.2020 21:20
Mathematics, 20.11.2020 21:20
Mathematics, 20.11.2020 21:20
Biology, 20.11.2020 21:20
Mathematics, 20.11.2020 21:20