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Author Question: After taking a speed-reading course, students are supposed to be able to read faster than they could ... (Read 94 times)

scienceeasy

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on: Jun 24, 2018
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

Question 2

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?


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diesoon

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Reply #1 on: Jun 24, 2018
Answer to Question 1

TRUE

Answer to Question 2

Major - nominal
Comp. Use - ordinal
Comp. Hours - ratio
Labs - ordinal
Benefit - nominal
Higher Tuition - nominal
Enrollment Decision - nominal
Price to Pay - ratio


scienceeasy

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Reply 2 on: Jun 24, 2018
Gracias!

epscape

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Reply 3 on: Yesterday
Wow, this really help

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