Mathematics, 14.05.2021 23:00, kenzie3497
PLEASE HELP ME 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? ) Select one:
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.
Answers: 2
Mathematics, 21.06.2019 15:00, ejcastilllo
Let the mean of the population be 38 instances of from 6" - 9" hatchings per nest, and let the standard deviation of the mean be 3. what sample mean would have a confidence level of 95% or a 2.5% margin of error?
Answers: 1
PLEASE HELP ME A researcher posts a newspaper advertisement offering $10 in exchange for participati...
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