Mathematics, 28.05.2021 22:00, leem6
An exercise scientist wanted to test the effectiveness of a new program designed to increase the flexibility of senior citizens. They recruited participants and rated their flexibility according to a standard scale before starting the program. The participants all went through the program and had their flexibility rated again after a month. The scientist wants to test if the flexibility ratings are significantly higher after a month of the program. Assume that these participants can be considered a representative sample and that all other necessary conditions for inference were met. Which of these is the most appropriate test and alternative hypothesis?
a) Paired t test with H : Mafter before > 0
b) Paired t test with H.: Hafier-before +0
c) Two-sample t test with H: Mbefore > Hafter
d) Two sample t test with H.: wore Manter
e) Two sample t test with H: Meedore Aladder
Answers: 2
Mathematics, 21.06.2019 19:40, nancy00
Aretha wanted to gather data about the cost of local bowling leagues in her area. she plotted the data and determined that the average bowling league costs consist of a one-time registration fee and a monthly fee modeled by the equation y = 15x + 20. identify and interpret the y-intercept in this model. the y-intercept is 20. this is the cost per month. the y-intercept is 20. this is the cost of registration. the y-intercept is 15. this is the cost of registration. the y-intercept is 15. this is the cost per month.
Answers: 1
Mathematics, 22.06.2019 01:30, hallkayleel0lozgxtq
Pls what is the decimal equivalent of 5 over 9? select one: a. 0 point 5 bar over top of 5 b. 0 point 6 bar over top of 6 c. 0 point 8 bar over top of 8 d. 0 point 9 bar over top of 9
Answers: 1
Mathematics, 22.06.2019 08:30, amanda2517
Of a squirrel's hidden nuts, for every 5 that get found, there are 3 that do not get found. a squirrel hid 40 nuts all together. how many of the nuts do not get found? ask for details follow report by 17torresperla 12/10/2017
Answers: 2
An exercise scientist wanted to test the effectiveness of a new program designed to increase the fle...
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