Mathematics, 28.12.2019 06:31 Ayallaric6875
Astudy was conducted to find out if a new exercise program was more effective than an old one at improving cardiovascular fitness. subjects were randomly selected to participate and then randomly assigned to one of the two programs. after six months of exercising, they were given a score based on their fitness performance. scores ranged from 19 to 73, with higher scores indicating higher performance. which of the following hypothesis tests would be best for this study?
a) paired data test
b) independent sample test
c) anova
d) test of two proportions
e) chi-squared test of independence
f) hypothesis test for regression
Answers: 2
Mathematics, 21.06.2019 21:00, alexahrnandez4678
Dean and karlene get paid to write songs. dean is paid a one-time fee of $20 plus $80 per day. karlene is paid a one-time fee of $25 plus $100 per day. write an expression to represent how much a producer will pay to hire both to work the same number of days on a song.
Answers: 1
Mathematics, 21.06.2019 23:40, amandaelisantos
In the diagram, a building cast a 35-ft shadow and a flagpole casts an 8-ft shadow. if the the flagpole is 18 ft tall, how tall is the building? round the the nearest tenth.
Answers: 2
Astudy was conducted to find out if a new exercise program was more effective than an old one at imp...
English, 06.05.2020 08:34
English, 06.05.2020 08:34