subject
Business, 04.11.2021 21:20 mariposa91

Sources of data In the folldwing table, indicate whether the researcher in the scenario is collecting experimental data or observational data. Scenario Experimental Data Observational Data
A sociologist conducts interviews with former protestors and activists in order to study the struggles of the civil rights movement.
An oncologist randomly assigns rats into two groups, giving one group a new drug intended to fight cancer and giving the other group a placebo, in order to study the effects of the new drug.
A medical doctor randomly assigns individuals into two groups, giving one group a new drug to reduce blood pressure and the other group a placebo, in order to study the effects of the new drug.
The issue of reverse causality is more likely to be present in data sets than in data sets.

ansver
Answers: 2

Another question on Business

question
Business, 22.06.2019 20:00
Qwest airlines has implemented a program to recycle all plastic drink cups used on their aircraft. their goal is to generate $7 million by the end of the recycle program's five-year life. each recycled cup can be sold for $0.005 (1/2 cent). a. how many cups must be recycled annually to meet this goal? assume uniform annual plastic cup usage and a 0% interest rate. b. repeat part (a) when the annual interest rate is 12%. c. why is the answer to part (b) less than the answer to part (a)?
Answers: 1
question
Business, 22.06.2019 22:00
Exercise 2-12 cost behavior; high-low method [lo2-3, lo2-4] speedy parcel service operates a fleet of delivery trucks in a large metropolitan area. a careful study by the company’s cost analyst has determined that if a truck is driven 120,000 miles during a year, the average operating cost is 11.6 cents per mile. if a truck is driven only 80,000 miles during a year, the average operating cost increases to 13.6 cents per mile. required: 1.& 2. using the high-low method, estimate the variable and fixed cost elements of the annual cost of truck operation. (round the "variable cost per mile" to 3 decimal places.)
Answers: 3
question
Business, 23.06.2019 01:30
The stock market is -the section of the newspaper where you learn how much a stock is worth -a place where you buy and sell stock -an organized way for people to buy and sell stocks -the same as a brokerage firm
Answers: 1
question
Business, 23.06.2019 01:50
Which term best describes the statement given below? if p = q and q = r, then p = r
Answers: 1
You know the right answer?
Sources of data In the folldwing table, indicate whether the researcher in the scenario is collectin...
Questions
question
Biology, 08.03.2021 19:00
question
Mathematics, 08.03.2021 19:00
question
History, 08.03.2021 19:00
question
Mathematics, 08.03.2021 19:00
question
Mathematics, 08.03.2021 19:00
Questions on the website: 13722367