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A car insurance company advertises that customers switching to their insurance save, on average, $432 on their yearly premiums. A market researcher at a competing insurance discounter is interested in showing that this value is an overestimate so he can provide evidence to government regulators that the company is falsely advertising their prices. He randomly samples 82 customers who recently switched to this insurance and finds an average savings of $395, with a standard deviation of $102.
(a) Are conditions for inference satisfied?
(b) Perform a hypothesis test and state your conclusion.
(c) Do you agree with the market researcher that the amount of savings advertised is an overestimate? Explain your reasoning.
(d) Calculate a 90% confidence interval for the average amount of savings of all customers who switch their insurance.
(e) Do your results from the hypothesis test and the confidence interval agree? Explain.
Short Paper on Cross-cultural Opportunities and Conflicts in Canada.
Sociology are very fundamental in nature. Role strain and role constraint speak about the duties and responsibilities of the roles of people in society or in a group. A short theory about Darwin and Moths is also answered.
This review will help the reader understand the social work profession through different concepts giving the glimpse of why the social work profession might have drifted away from its original purpose of serving the poor.
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Individual Assignment : Two Models Handout and Rubric, This paper will allow you to understand and evaluate two vastly different organizational models and to effectively communicate their differences.
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In this study, we examine how gasoline price volatility and income of the consumers impacts consumer's demand for gasoline.
Economics thesis undergrad 4th year paper to write. it should be about 22 pages in length, literature review, economic analysis and then data or cost benefit analysis.
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Write a definition for associative property of multiplication.
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