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Home Q & A Board Science-Related Homework Help Mathematics Statistics and Probability
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emelyquintanill emelyquintanill
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6 years ago
_________________ statisticscan be used for data that is at the nominal or ordinal level of measurement.
 
  A) Nonparametric
  B) Descriptive
  C) Parametric
  D) Quantitative

Q. 2

Gamers are described as people who regularly play video games. A random sample of 80 people was selected and 50 were found to be male. The approximate standard error of the proportion for this sample is ________.
 
  A) 0.0336
  B) 0.0422
  C) 0.0541
  D) 0.0610

Q. 3

According to the National Center for Health Statistics, 17 of adults between the ages of 45 and 64 had taken statin drugs in the prior 30 days to reduce cholesterol levels. A random sample of 120 adults from this age group was selected.
 
  What is the probability that between 24 and 27 from this sample had taken statin drugs during the last 30 days?A) 0.1373
  B) 0.1892
  C) 0.3026
  D) 0.4478

Q. 4

The mean square error is found by dividing the sum of squares error by the total number of observations minus one (n  1).
 
  Indicate whether the statement is true or false
Textbook 
Business Statistics

Business Statistics


Edition: 2nd
Author:
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ljcwilliams07ljcwilliams07
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6 years ago
This is very helpful, my teacher this year is not good
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