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Author Question: The undergraduate students at your university are classified as freshmen, sophomores, juniors, or ... (Read 114 times)

jayhills49

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on: Jun 24, 2018
The undergraduate students at your university are classified as freshmen, sophomores, juniors, or seniors. A recent study of undergraduates asked the students to indicate the number of credits they were registered for this term.
 
  The responses were 3, 6, 9, 12, 15, and 18. The number of cells in a joint frequency distribution for the two variables, class standing, and credit hours is:A) 4.
  B) 10.
  C) 24.
  D) None of the above.

Question 2

Suppose the mean of dogs a pet shop grooms each day is know to be 14.2 dogs. If a sample of n = 12 days is chosen and a total of 178 dogs are groomed during those 12 days, then the sampling error is:
 
  A) 163.8.
  B) about 0.63.
  C) about -0.63.
  D) -163.8.


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ms_sulzle

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

C

Answer to Question 2

B


jayhills49

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Reply 2 on: Jun 24, 2018
Gracias!

sultansheikh

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Reply 3 on: Yesterday
Great answer, keep it coming :)

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