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Home Q & A Board Science-Related Homework Help Mathematics Statistics and Probability
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mesharmor mesharmor
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6 years ago
Measurement is the process of assigning numbers to variables of individual population units.
 
  A) True B) False

Q. 2

A variable is a characteristic or property of a population.
 
  A) True B) False

Q. 3

Explain why it is not necessary to provide a measure of reliability when a census is used rather than a sample.
 
  What will be an ideal response?

Q. 4

Which of the graphical techniques below can be used to summarize qualitative data?
 
  A) stem-and-leaf plot B) bar graph
  C) dot plot D) box plot

Q. 5

A high school guidance counselor analyzed data from a sample of 100 community colleges throughout the United States. One of his goals was to estimate the annual tuition costs of community colleges in the United States.
 
  Describe the population and variable of interest to the guidance counselor.

Q. 6

A quality inspector tested 41 copiers in an attempt to estimate the average failure rate of the copier model. His study indicated that the number of failures decreased from two years ago, indicating an increase in the reliability of the copiers.
 
  Describe the variable of interest to the inspector.
Textbook 
Statistics

Statistics


Edition: 12th
Authors:
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J_eazyJ_eazy
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6 years ago
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mesharmor Author
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6 years ago
You make an excellent tutor!
sakoon
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Yesterday
Thanks
taydav
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2 hours ago
Brilliant ツ
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