4. James wants to determine what colour people want for the new Tesla car being released. The population of their customer base can be divided up as shown in the table below. a) If a stratified sample of 120 is to be used, how many 45 – 70 year olds should be surveyed? b) Describe how you might take a cluster sample of this population. Explain the differences between this and a stratified sample of the same population.

Q: A group of 200 high school students were asked about their use of Facebook and Twitter. are shown in…

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A: From the given information, there are 40 engineers.  Number of Engineers with (Y, Y) response is 24.…

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Q: Show the appropriate rejection region for a given level of significance when the variance of the…

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Q: Week 10. Question  What geographical units within a metropolitan area are useful for sampling?

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Q: Jack wants to conduct a research experiment on the Baruch student body. He wants to know what movie…

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Q: Identify the sampling method for each scenario.   ​a.  You randomly sample 200 households in your…

A: scenarios are given and we need to find out which sampling method will be used.

Q: The student population at Illinois College is 3699.Full-time students are recorded to be 1199,while…

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A:

Q: Suppose a survey is taken of 300 high school seniors out of a total of 1,000 seniors. This group is…

A: The above group is probably a sample.

Q: Read all three questions and please give a thorough easy-to-understand explanation. 1. Petra is…

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Q: The Statisticians decided to draw a graph based on the sample numbers from 20-25,26-50 years-old…

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Q: size is 200,if the relative of frequency of class (A) is 0.22 , Then , the frequency of class (A)

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Q: 2. Which gender is taller, males or females? A sample of 14-year-olds from the United Kingdom was…

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Q: Use the results from a survey of a simple random sample of 1125 adults. Among the 1125 respondents,…

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A: Solution: 2. d. The table of frequencies is Then, the percentage of the women on board survived is

Q: n her work place has 40 employees. She he number of individuals n above.

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Q: In an insurance company study of the causes of 1,000 deaths, these data were obtained. Draw a pie…

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A: As per bartleby policy I answered the first question and all subparts

Types of Bias

Statistics is the study of data collection, organization, analysis, interpretation, and presentation. Statistical bias is a characteristic of a statistical technique or its findings in which the expected value deviates from the actual root quantitative parameter being estimated. According to the actual definition of bias, it refers to the tendency of a statistic to overestimate or underestimate a parameter.