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Past Exam for STA 2023 - Statistics for Business and Economics with McGuckian at Florida International (FIU)

Exam Information

Material Type:Exam 1
Professor:McGuckian
Class:STA 2023 - Statistics for Business and Economics
Subject:Statistics
University:Florida International University
Term:Summer 2008
Keywords:
  • Qualitative
  • Fuel Efficiency
  • Variability
  • Qualitative Data
  • Standard Deviation
  • Relative Frequency
  • Average Height
  • Following Statements
  • Manufacturer
  • Empirical Rule
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Sample Document Text

Exam 1 STA 2023 Directions: Do not write on this exam. You may use your calculator and the formula sheet from my web page. Good Luck. 1. If I find the mean and the standard deviation for a sample of 36 exam grades from a class of 200, each of these values are called: A) Parameters B) Statistics C) Inferences D) Qualitative data E) Discrete 2. To study the earnings of working 18 – 20 year olds in Miami/Dade County, I collected a random sample of tax returns for 36 working 18 – 20 year olds. In this study, my population is the: A) Earnings of all working 18 – 20 yr olds in Miami/Dade B) Earnings of the 36 18 – 20 yr olds in the study C) Earnings of all 18 – 20 yr olds in the world D) Earnings of working 18 – 20 yr olds in the world 3. Which of the following statements are true? A) The mean is used most often among measures of the center, and the standard deviation is used most often for a measure of variation. B) The range is often used in manufacturing settings when a sampling from a production ...

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