Mathematics, 24.04.2020 20:43 ayoismeisjjjjuan
Hospital floors are usually bare tiles instead of carpet. Carpets will decrease noise but might increase germ growth. To study this, researchers installed carpet in 8 of 16 hospital rooms. They randomly selected the rooms to carpet. The other rooms had bare tiles.
After two weeks of normal use, they collected air samples from the rooms and counted the bacteria in each sample. To identify the explanatory and response variables, match each of the following with one of the terms on the right. Note - any given term may be used more than once or not at all.
a. A control group
b. Direct control of confounding variables
c. Random assignment
Answers: 2
Mathematics, 21.06.2019 19:30
Which table shows a proportional relationship between miles traveled and gas used?
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Mathematics, 21.06.2019 21:30
Mario is constructing a frame for 10 in. by 8 in. photo. he wants the frame to be the same with all the way around in the same area of the frame and photo to be 120 square inches what is the dimension of the frame?
Answers: 1
Mathematics, 21.06.2019 22:00
Melanie is buying a bathing suit that costs 39.99. she is given a discount at the cash register of $6.00 when she scratched 15% off on a game piece for a store promotion. what will the sale price of melanie’s bathing suit be?
Answers: 1
Hospital floors are usually bare tiles instead of carpet. Carpets will decrease noise but might incr...
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