200-F-Winter2011

200-F-Winter2011 - MAT 200 Statistics Final Examination...

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MAT 200 Statistics NAME: ____________________ Final Examination (Winter 2011) This is a 100 question multiple choice examination covering all the material covered in the course.  Part I: Introduction to Statistics 1. The process of using sample statistics to draw conclusions about true population parameters is called a. Statistical inference. b. The scientific method c. Sampling d. Descriptive statistics. 2. Those methods involving the collection, presentation, and characterization of a set of data in order to properly describe the  various features of that set of data is called a. Statistical inference. b. The scientific method c. Sampling d. Descriptive statistics. 3. The collection and summarization of the socioeconomic and physical characteristics of the employees of a particular firm is  an example of a. Inferential statistics b. Descriptive statistics c. A parameter d. A statistic
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4. The estimation of the population average family expenditure on food based on  the sample average expenditure of 1,000  families is an example  of a. Inferential statistics b. Descriptive statistics c. A parameter d. A statistic 5. The universe or “totality of items or things” under consideration is called a. A sample. b. A population. c. A parameter. d. A statistic. 6. The portion of the universe that has been selected for analysis is called a. A sample. b. A frame. c. A parameter d. A statistic. 7. A summary measure that is computed to describe a characteristic from only a sample of the population is called a. A parameter b. A census. c. A statistic. d. The scientific method.
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8. A summary measure that is computed to describe a characteristic of an entire population is called a. A parameter. b. A census. c. A statistic. d. The scientific method. 9. Which of the following is most likely a population as opposed to a sample? a. Respondents to a newspaper survey. b. The first 5 students completing an assignment. c. Every third person to arrive at the bank. d. Registered voters in a county. 10. Which of the following is most likely a parameter as opposed to a statistic? a. The average score of the first five students completing an assignment. b. The proportion of females registered to vote in a county. c. The average height of people randomly selected from a database. d. The proportion of trucks stopped yesterday that were cited for bad brakes.
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Part II: Graphical Descriptions of Data TABLE 2-1 An insurance company evaluates many numerical variables about a person before deciding on an appropriate rate for automobile  insurance. A representative from a local insurance agency selected a random sample of insured drivers and recorded, X, the number of 
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200-F-Winter2011 - MAT 200 Statistics Final Examination...

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