Mathematics, 22.12.2020 03:40, lovemyboys0404pc662e
Previously, an organization reported that teenagers spent 24.5 hours per week, on average, on the phone. The organization thinks that, currently, the mean is higher. Fifteen randomly chosen teenagers were asked how many hours per week they spend on the phone. The sample mean was 25.7 hours with a sample standard deviation of 2.0. What is the appropriate test to perform?
Answers: 1
Mathematics, 21.06.2019 16:00, amohammad6
Julia is going for a walk through the neighborhood. what unit of measure is most appropriate to describe the distance she walks?
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Asequence is defined recursively using the formula f(n + 1) =f(n) - 5. which sequence could be
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Mathematics, 21.06.2019 21:50, gwendallinesikes
Ab and bc are tangent to circle d. find x is ab = 3x + 8 and bc = 26. find x
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