Statistics > QUESTIONS & ANSWERS > Statistics Final Exam Multiple Choice Questions with Correct Answers| Graded A (All)

Statistics Final Exam Multiple Choice Questions with Correct Answers| Graded A

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Statistics describes a set of _________ that are used for describing, organizing and interpreting information. Correct Answer tools and techniques Inferential statistics is the most often used for ... which of the following? Correct Answer Interpreting data If you used the Excel formula =SUM (A2:A4), what would be calculated? Correct Answer The sum of cells A2-A4 Descriptive Statistics Inferential Statistics Correct Answer Descriptive statistics describes characteristics of a sample Inferential statistics attempts to infer characteristics of a population for a sample Sample Correct Answer A sample is a random and representative group of population. In a sample, everyone from a population should have an equal chance of being selected. This measure of central tendency can be considered the least precise Correct Answer Mode What should be used to determine central tendency Correct Answer The mean If a distribution is "significantly distorted" what is this called? Correct Answer Skew What is the mean value of the following scores 12,25,15,27,32,8? Correct Answer 19.83 Which measure of central tendency is most influenced by outliers? Correct Answer Mean Your current exam mean is 93.2. If you receive an 87 on the next exam, this will have the effect of Correct Answer decreasing your mean What are Greek letters used to represent? Correct Answer Population parameters Which of the following defines the median? Correct Answer midpoint in a set of scores What is the median of the following set of scores: 23, 17, and 15,32,38,47 Correct Answer 27.5? What is the 75th percentile also known as Correct Answer Q3? Which of the following are used define the percentage of cases equal to and below a certain point in a distribution of scores? Correct Answer Percentile points what would be your preferred measure of central tendency if you had the following data: 32,400 42,500 49,570 145,850 Correct Answer Median [Show More]

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