Mathematics, 15.01.2020 09:31, sierra6816

Nga, kai, and jason volunteer in the school library. they want to find the average number of pages of a library book. it would be unreasonable to calculate the number of pages in every book to find the average. they decide they need to find a valid sample.

inga suggests choosing 100 books from the history section to get a sample.

kai suggests randomly selecting 100 books from the library’s entire catalog.

jason suggests using 100 books from the teen fiction section to get a sample.

who suggested the best way to produce a random sample that is not biased?

Answers: 1

Show answers

Other questions on the subject: Mathematics

Mathematics, 21.06.2019 16:30, maycigrimaldi4990

Problem fathi wants to print out a pdf document that is 48 pages long. to save paper, he decides to print on both sides of each sheet and to print two pages on each side of the sheet. how many sheets of paper will he need?

Answers: 3

continue

Mathematics, 21.06.2019 19:30, kelseybell2707

If the ratio of sum of the first m and n terms of an ap is m2 : n2 , show that the ratio of its mth and nth terms is (2m − 1) : (2n − 1).

Answers: 1

continue

Mathematics, 21.06.2019 20:30, cruzc2

Solve each quadratic equation by factoring and using the zero product property. x^2 - 8x + 30 = 3x

Answers: 2

continue

Mathematics, 21.06.2019 22:00, 200052

Set up and solve a proportion for the following application problem. if 55 pounds of grass seed cover 404 square feet, how many pounds are needed for 7272 square feet?

Answers: 1

continue

Do you know the correct answer?

Nga, kai, and jason volunteer in the school library. they want to find the average number of pages o...