Mathematics, 27.11.2019 19:31, jamesc24
Previously, an organization reported that teenagers spent an average of 4.5 hours per week on the phone. the organization thinks that the current mean is higher. to test the claim, fifteen randomly chosen teenagers were asked how many hours per week they spend on the phone. the sample mean was 4.75 hours with a sample standard deviation of 2.0. suppose that a hypothesis test is conducted to test the claim that the mean hours is more than 4.5 hours per week. what are the hypotheses for the test?
Answers: 1
Mathematics, 21.06.2019 21:30, elicollierec
What does independent variable and dependent variable mean in math?
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Mathematics, 21.06.2019 22:30, brooklynpage3930
The party planning committee has to determine the number of tables needed for an upcoming event. if a square table can fit 8 people and a round table can fit 6 people, the equation 150 = 8x + 6y represents the number of each type of table needed for 150 people.
Answers: 1
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