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STA 2023 - Chapter 1 Exam Questions and Complete Solutions Graded A+. $14.49   Add to cart

Exam (elaborations)

STA 2023 - Chapter 1 Exam Questions and Complete Solutions Graded A+.

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  • Statistics STA
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  • Statistics STA

STA 2023 - Chapter 1 Exam Questions and Complete Solutions Graded A+.

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  • November 4, 2024
  • 3
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • Statistics STA
  • Statistics STA
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STA 2023 - Chapter 1
Exam Questions and
Complete Solutions
Graded A+
Data - Answer: collections of observations (measurements, genders, or survey responses)



Statistics - Answer: the science of planning studies and experiments; obtaining data; then putting it all
together (organize, summarize, present, analyze, and interpret data); draw conclusion



Population - Answer: complete collection of all measurements or data that are being considered.
Typically a population is the complete collection of data that we would like to analyze



census - Answer: the collection of data from every member of the population



sample - Answer: sub collection of members selected from a population



Voluntary response sample - Answer: one in which the respondents decided if they want to be included
-- by their nature are flawed due to strong possible bias



Statistical significance - Answer: is achieved in a study when we get a result that is very unlikely to occur
by chance. A common criteria is that we have statistical significance if the likelihood of an event
occurring by chance is 5% or less



Practical significance - Answer: it is possible that some treatment or finding is effective, but common
sense might suggest that the treatment or finding does not make enough of a difference to justify its use
or be practical

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