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Mathematics, 08.04.2021 03:30 izabellabyan
Random groups of 30 teachers were asked the starting annual salary for their
first teaching job. The sampling variability was low. If the average salaries of
several of the groups were close to $43,000, which of these is least likely to
be the average salary of another one of the groups?
A. $53,000
B. $44,000
C. $42,000
D. $43,000
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Answers: 2
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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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Random groups of 30 teachers were asked the starting annual salary for their
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