subject
Mathematics, 01.09.2019 23:20 zfghiiooi5

Aresearcher posts a newspaper advertisement offering $10 in exchange for participation in a short study. the researcher accepts the first 10 people who respond to the advertisement. which of the following statements is true about the sample? (3
points)
it is not a valid sample because it is only a short study.
it is a valid sample because money is offered to participants.
it is a valid sample because the first 10 people were selected to participate.
it is not a valid sample because it is not a random sample of the population.

ansver
Answers: 1

Another question on Mathematics

question
Mathematics, 21.06.2019 16:30
An automated water dispenser fills packets with one liter of water on average, with a standard deviation of 5 milliliter. the manual says that after a year of operation the dispenser should be tested to see if it needs recalibration. a year later a number of filled packets are set aside and measured separately. it is found that the average packet now contains about 0.995 liters. does the dispenser need calibration? explain your answer.
Answers: 2
question
Mathematics, 21.06.2019 16:30
A(t)=728(1+0.04)^t how much money did aditya originally invest
Answers: 1
question
Mathematics, 21.06.2019 17:00
An air conditioning system can circulate 350 cubic feet of air per minute. how many cubic yards of air can it circulate per minute?
Answers: 3
question
Mathematics, 21.06.2019 20:00
With finding limits of multi variable !
Answers: 1
You know the right answer?
Aresearcher posts a newspaper advertisement offering $10 in exchange for participation in a short st...
Questions
question
Health, 11.03.2021 01:00
question
English, 11.03.2021 01:00
question
Mathematics, 11.03.2021 01:00
Questions on the website: 13722367