Mathematics, 26.03.2021 16:40 lmolmlm5420
A researcher posts an online advertisement offering $25 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? (1 point)
Question 3 options:
1)
It is not a valid sample because it is only a short study.
2)
It is a valid sample because money was offered to participants.
3)
It is a valid sample because the first 10 people were selected to participate.
4)
It is not a valid sample because it is not a random sample of the population.
Answers: 3
Another question on Mathematics
Mathematics, 21.06.2019 15:00
Factor completely. 4p^2 + 36p + 81 express the answer in the form (ap + b)^2
Answers: 3
Mathematics, 21.06.2019 18:00
Arecipe calls for 2 2/4 cups of raisins, but julie only has a 1/4 measuring cup. how many 1/4 cups is needed to measure out 2 2/4 cups of raisins?
Answers: 1
Mathematics, 21.06.2019 21:20
Amajor grocery store chain is trying to cut down on waste. currently, they get peaches from two different distributors, whole fruits and green grocer. out of a two large shipments, the manager randomly selects items from both suppliers and counts the number of items that are not sell-able due to bruising, disease or other problems. she then makes a confidence interval. is there a significant difference in the quality of the peaches between the two distributors? 95% ci for pw-pg: (0.064, 0.156)
Answers: 3
You know the right answer?
A researcher posts an online advertisement offering $25 in exchange for participation in a short stu...
Questions
