subject
Mathematics, 31.08.2021 18:40 Tamiahufflululu

Bias can destroy our ability to gain insights from our sample. What are the two primary sources of bias in sampling?
poorly worded questions and using multi-stage samples
spending too little time with each participant and using phone surveys
randomization and allowing voluntary response options
selecting a non-representative sample and measuring improperly

ansver
Answers: 1

Another question on Mathematics

question
Mathematics, 21.06.2019 23:30
Alex's monthly take home pay is $2,500. what is the maximum bad debt payment he can maintain without being in credit overload?
Answers: 2
question
Mathematics, 22.06.2019 00:30
Ican interpret and represent the remainder in division calculations sensibly for the context (eg if we wont to know how many 40 seat buses will be needed to transport 170 students for on excursion, we divide 170 by 40 and realise buses and another smaller vehicle to that we need 4 transport 10 more students) solve the following questions. show your work! 11) the zoo had 420 butterflies that needed to be transported to a new enclosure. the boxes that the butterflies would be moved in only hold 80 butterflies in each. how many boxes would they need? 2 12) each classroom in the school can have exactly 25 students, if there are 345 students in the school how many full classrooms are there?
Answers: 2
question
Mathematics, 22.06.2019 02:30
Solve the system of equations. y=3x-1 and y=-2x+9. show work
Answers: 1
question
Mathematics, 22.06.2019 02:40
An oil exploration company currently has two active projects, one in asia and the other in europe. let a be the event that the asian project is successful and b be the event that the european project is successful. suppose that a and b are independent events with p(a) = 0.2 and p(b) = 0.8. (a) if the asian project is not successful, what is the probability that the european project is also not successful? (b) what is the probability that at least one of the two projects will be successful? (c) given that at least one of the two projects is successful, what is the probability that only the asian project is successful? (round your answer to three decimal places.)
Answers: 3
You know the right answer?
Bias can destroy our ability to gain insights from our sample. What are the two primary sources of...
Questions
question
Computers and Technology, 17.06.2021 03:50
question
Mathematics, 17.06.2021 03:50
Questions on the website: 13722359