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 15:30
Me! 50 points! why does when we come home, our door is unlocked and there is grease on the door knob, me solve this , and i don't know what category this goes under
Answers: 2
Mathematics, 21.06.2019 19:00
How does a low unemployment rate affect a nation's economy? a. the nation has a higher number of productive resources. b. the nation can spend more money on for unemployed people. c. the nation can save money by paying lower salaries to a large workforce. reset
Answers: 1
Mathematics, 21.06.2019 22:00
Sara has been reading about different types of financial grants, including federal pell grants, academic competitiveness grants, smart grants, and teach grants. which statement about these grants is true? filling out a fafsa will not her apply for these grants. she will not have to pay back any funds she receives from these grants. these grants only go to students with less than a 3.0 gpa. she will have to pay back all the funds she receives from these grants.
Answers: 2
Mathematics, 22.06.2019 05:30
Consider the quadratic equation ax^2 +bx+5=0 , where a,b, and c are rational numbers and the quadratic has two distinct zeros.if one zero is irrational , the other zero is
Answers: 2
Song length varies from genre to genre. Brian wonders if there is a difference in the length of song...
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