Mathematics, 06.04.2021 02:40, jazminpratt0311
Song length varies from genre to genre. Brian wonders if there is a difference in the length of songs between the country and rock genres. He takes a random sample of 50 country songs and finds the mean length is 3.44 minutes with a standard deviation of 1.03 minutes. He then takes a random sample of 40 rock songs and finds the mean length is 3.05 minutes with a standard deviation of 1.19 minutes. What is the appropriate statistical test for analyzing the results
Answers: 3
Mathematics, 21.06.2019 19:00, crazylife77
Acomputer store bought a program at a cost of $10 and sold it for $13. find the percent markup
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Mathematics, 21.06.2019 19:30, AriesTwice
Acollection of coins has value of 64 cents. there are two more nickels than dimes and three times as many pennies as dimes in this collection. how many of each kind of coin are in the collection?
Answers: 1
Mathematics, 21.06.2019 23:30, joelpimentel
Which choice has the correct steps in graphing the solution set to the following inequality? -45_> 20x-5y
Answers: 1
Song length varies from genre to genre. Brian wonders if there is a difference in the length of song...
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