Mathematics, 10.10.2019 03:00 princessss30188
Researchers wanted to determine if having a supply of sugary snacks in the bedroom is associated with obesity. the researchers administered a questionnaire to 391 twelve-year-old adolescents. after analyzing the results, the researchers determined that the body mass index of the adolescents who had a supply of sugary snacks in their bedroom was significantly higher than that of the adolescents who did not have a supply of sugary snacks in their bedroom. complete parts (a) through (e) below. (a) why is this an observational study
a. this is an observational study because the researchers observe the behavior of the individuals in the study without trying to influence an explanatory variable of the study.
b. this is an observational study because the researchers try to influence the outcome of the study.
c. it is not an observational study
Answers: 3
Mathematics, 21.06.2019 17:00
Jamie went to home depot.she bought 25 bags of soil that cost $9 per bag.she bought 15 pots at $8 each, and she bought 23 bags of pebbles at $15 each.she used a coupon that gave her $5 off for every 100 dollars she spent. how much did jamie pay at the end?
Answers: 1
Mathematics, 21.06.2019 23:00
How can writing phrases as algebraic expressions you solve problems?
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Mathematics, 21.06.2019 23:20
The cost of turkey is directly proportional to its weight. if a 12-pount turkey costs $27, how much does a 13-pound turkey cost? a. $33.75 b. $36.00 c. $31.00 d. $32.50
Answers: 1
Mathematics, 22.06.2019 02:00
Keith runs 5 miles in 38 minutes. at the same rate, how many miles would he run in 57 minutes
Answers: 1
Researchers wanted to determine if having a supply of sugary snacks in the bedroom is associated wit...
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