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Author Question: A bored carpenter counts the actual number of nails in 10 boxes of nails and records his findings ... (Read 328 times)

sabina

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on: Jun 24, 2018
A bored carpenter counts the actual number of nails in 10 boxes of nails and records his findings as: 230, 235, 302, 287, 312, 323, 265, 319, 342, and 298. What can we say about the shape of the distribution of the number of nails?
 
  A) symmetric
  B) skewed to the right
  C) approximately bell-shaped
  D) skewed to the left

Question 2

Which of the following statements involve inferential statistics as opposed to descriptive statistics?
 
  A) The FAA reported there were 180 near misses among commercial aircraft last year.
  B) A class of fifty five statistics students earned an average grade of 72.5.
  C) The city business office reported 50 building permits for new single-family housing units.
  D) Based on a sample of 450 subscribers, a local satellite TV system estimates that 45 percent of its subscribers watch a premium channel at least once per day.


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amcvicar

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

D

Answer to Question 2

D


sabina

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Reply 2 on: Jun 24, 2018
Gracias!

Zebsrer

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Reply 3 on: Yesterday
Excellent

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