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Posts: 387
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A year ago
When data are organized into levels, the highest data level is:
 
  A) interval level data.
  B) nominal level data.
  C) ordinal level data.
  D) ratio level data.

Q. 2

A recent study in the restaurant business determined that the mean tips for male waiters per hour of work are 6.78 with a standard deviation of 2.11. The mean tips per hour for female waiters are 7.86 with a standard deviation of 2.20.
 
  Based on this information, which of the following statements do we know to be true?A) The distribution of tips for both males and females is right-skewed.
  B) The variation in tips received by females is more variable than males.
  C) The median tips for females exceeds that of males.
  D) On a relative basis, males have more variation in tips per hour than do females.

Q. 3

The probability density function describes a discrete probability distribution.
 
  Indicate whether the statement is true or false

Q. 4

What is the standard deviation of the Q index fund?
 
  A) 3.07
  B) 2.79
  C) 3.27
  D) 2.69

Q. 5

The main purpose of a pilot sample in an application involving an estimate for a population mean is to determine what the margin of error will likely be.
 
  Indicate whether the statement is true or false
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Answer verified by a subject expert
wrote...
Posts: 305
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A year ago
Ans. #1

D

Ans. #2

D

Ans. #3

FALSE

Ans. #4

D

Ans. #5

FALSE
1
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A year ago
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A year ago
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