Mathematics, 23.07.2021 01:00 thil54451
The researcher wants to investigate whether carpet makes a difference in the mean bacterial concentration in air. The null and alternative hypotheses would be
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Mathematics, 21.06.2019 23:00
Unaware that 35% of the 10000 voters in his constituency support him, a politician decides to estimate his political strength. a sample of 200 voters shows that 40% support him. a. what is the population? b. what is the parameter of interest? state its value c. what is the statistics of the interest? state its value d. compare your answers in (b) and (c) is it surprising they are different? if the politician were to sample another 200 voters, which of the two numbers would most likely change? explain
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Mathematics, 22.06.2019 00:40
Compute the standard deviation of the following set of data to the nearest whole number. 10, 10, 15, 20, 25
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Mathematics, 22.06.2019 01:30
At store a, erasers are sold individually. the cost y of x erasers is represented by the equation y=0.75x. the costs of erasers at store b are shown in the graph.
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The researcher wants to investigate whether carpet makes a difference in the mean bacterial concentr...
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