Mathematics, 21.04.2020 15:55 franklynvaldez01
Male cardinal birds sing to attract females. An ornithologist wants to test the claim that the true mean duration of songs sung by male cardinals is more than 6 seconds. She takes a SRS of 35 male cardinals and finds a sample mean duration of 6.31 seconds and a sample standard deviation of 1.2 seconds. Which of the following is the appropriate test statistic to test this claim? a. 1.5063 Ob.0.0074 c. 5.465 d. 1.5283 e. 0.0437
Answers: 1
Mathematics, 21.06.2019 22:00
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Mathematics, 21.06.2019 22:30
Varies inversely with x. if y=8.5 when x=-1 find x when y=-1
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