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shmannix shmannix
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6 years ago
If a time series has a trend and seasonality, the simple exponential smoothing model is the most appropriate model to be used for forecasting.
 
  Indicate whether the statement is true or false

Q. 2

What is the variance of the X index fund?
 
  A) 8.80
  B) 22.78
  C) 4.69
  D) 16.40

Q. 3

After taking a speed-reading course, students are supposed to be able to read faster than they could before taking the course.
 
  A pilot sample of n = 25 students showed a mean increase of 300 words per minute with a standard deviation equal to 60 words per minute. To estimate the population mean with 95 percent confidence and a margin of error of 10 minutes, the required sample size is approximately 139 students. Indicate whether the statement is true or false

Q. 4

Open the data file provided with the text called Computer Use. Indicate the level of data measurement for each variable in the data set.
 
  What will be an ideal response?

Q. 5

Compare and contrast a probability mass function and a probability density function.
 
  What will be an ideal response?
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ilmanihzailmanihza
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6 years ago
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shmannix Author
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#2
6 years ago
This is very helpful, my teacher this year is not good
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