Mathematics
Mathematics, 24.05.2021 18:20, natbod133

A researcher 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? (5 points) a It is not a valid sample because it is only a short study. b It is a valid sample because money is offered to participants. c It is a valid sample because the first 10 people were selected to participate. d It is not a valid sample because it is not a random sample of the population.

answer
Answers: 3

Other questions on the subject: Mathematics

image
Mathematics, 21.06.2019 16:00, twil85459
Find the average speed of a rabbit that runs a distance of 22 m in a time of 1.8 s .
Answers: 1
image
Mathematics, 21.06.2019 19:00, ashrobbb
The annual snowfall in a town has a mean of 38 inches and a standard deviation of 10 inches. last year there were 63 inches of snow. find the number of standard deviations from the mean that is, rounded to two decimal places. 0.44 standard deviations below the mean 2.50 standard deviations below the mean 0.44 standard deviations above the mean 2.50 standard deviations above the mean
Answers: 3
image
Mathematics, 21.06.2019 19:00, kalebbenton15
What will the graph look like for a system of equations that has no solution? a. the lines will be perpendicular. b. the lines will cross at one point. c. both equations will form the same line. d. the lines will be parallel.
Answers: 1
image
Mathematics, 21.06.2019 19:30, auzriannamarie
Tim's phone service charges $26.39 plus an additional $0.21 for each text message sent per month. if tim's phone bill was $31.64, which equation could be used to find how many text messages, x, tim sent last month?
Answers: 1
Do you know the correct answer?
A researcher posts a newspaper advertisement offering $10 in exchange for participation in a short s...

Questions in other subjects:

Konu
Mathematics, 02.12.2020 20:50
Konu
Mathematics, 02.12.2020 20:50