Mathematics, 04.04.2020 01:37, stephanierey075

Mean and standard deviation of sample means
You might need:
Calculator
Lucille has a collection of more than 500 songs on her phone that have a mean duration of 215 seconds and a
standard deviation of 35 seconds. Suppose that every week she makes a playlist by taking an SRS of 49 of these
songs, and we calculate the sample mean duration Ä of the songs in each sample.
Calculate the mean and standard deviation of the sampling distribution of 2.
seconds
seconds
Show Calculator

Answers: 3

Show answers

Other questions on the subject: Mathematics

Mathematics, 21.06.2019 12:50, 2022mcwhirterbrendan

Solve the system by the elimination method. 2x + y - 4 = 0 2x - y - 4 = 0 when you eliminate y, what is the resulting equation? a. x = 0 b.4x = -8 c.4x = 8

Answers: 1

continue

Mathematics, 21.06.2019 13:00, mayamabjishovrvq9

Football player weighed 170 2/3 pounds in may. during the summer he gained 25 5/12 pounds. during the first week of fall practice he lost 10 1/4 pounds and during the second week he lost another 3 1/2 ponds. how much does he weigh at this point? a.182 1/3ib b.181 1/2ib c.182 5/12ib d.183 2/3ib

Answers: 1

continue

Mathematics, 21.06.2019 19:50, gameranonymous266

Examine the two-step equation. − 7 4 + x 4 = 2 which property of operations allows you to add the same constant term to both sides? amultiplication property of equality bdivision property of equality caddition property of equality dsubtraction property of equality

Answers: 2

continue

Mathematics, 21.06.2019 20:00, brevenb375

What effect would doubling all the dimensions of a triangular pyramid have on the volume of the pyramid? explain your reasoning.

Answers: 1

continue

Do you know the correct answer?

Mean and standard deviation of sample means
You might need:
Calculator
Lucille has...