Mathematics, 03.01.2020 03:31 Graciouzgigi1394
Mercedes is conducting a study about the costs of prom dresses. her school has 2500 students. she asks 10 of the girls in her ap statistics class to participate in a survey. she bases her findings on these results. is this a valid study? why or why not?
a) no, she should ask the girls in her chorus class instead
b) yes, asking 10 girls in her class will give her a good sample to work with.
c) yes, drawing a sample only from ap statistics gives a random sample of girls attending prom at the school.
d) no, drawing a sample only from ap statistics does not give a random sample of girls attending prom at the school.
Answers: 2
Other questions on the subject: Mathematics
Mathematics, 21.06.2019 20:00, Chen5968
The distribution of the amount of money spent by students for textbooks in a semester is approximately normal in shape with a mean of $235 and a standard deviation of $20. according to the standard deviation rule, how much did almost all (99.7%) of the students spend on textbooks in a semester?
Answers: 2
Mathematics, 21.06.2019 21:50, rubieceleste548
Rachel is studying the population of a particular bird species in a national park. she observes every 10th bird of that species that she can find in the park. her conclusion is that the birds living in the park who belong to that species generally feed on insects. rachel's sample is . based on the sample she picked, rachel's generalization is . reset next
Answers: 1
Mathematics, 21.06.2019 23:00, annnoe5128abc
Asporting good store is offering 30 percent off of the original price(x) of football cleats. the discount will be reduced by an another $7 before sales tax.
Answers: 1
You know the right answer?
Mercedes is conducting a study about the costs of prom dresses. her school has 2500 students. she as...
Questions in other subjects:
Mathematics, 26.01.2021 18:10
Mathematics, 26.01.2021 18:10
Chemistry, 26.01.2021 18:10
Computers and Technology, 26.01.2021 18:10
Mathematics, 26.01.2021 18:10
History, 26.01.2021 18:10
