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saysay saysay
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Posts: 544
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6 years ago
The mean number of text messages sent per month by customers of a cell phone service provider is 1,850, and the standard deviation is 800. Find the z-score associated with 3,000 messages sent.
  1. z = 2.75x
  2. z = 1.44
  3. z = 1.44
  4. z = 1.19
  5. z = 40.66

Q. 2

Suppose that the distribution of weekly water usage for single-family homes in a particular city is mound shaped and approximately symmetric. The mean is 1,300 gallons, and the standard deviation is 200 gallons.
 
   What is the approximate value
   of the 98th percentile?


  1.1,700 gallons
  2.1,100 gallons
  3.1,500 gallons
  4.1,900 gallons
  5.1,300 gallons

Q. 3

Which of the five boxplots shown in the figure corresponds to a data set with the 5-number summary below?
   Minimum: 60
   Lower Quartile: 69
   Median: 76
   Upper Quartile: 82
   Maximum: 89
   


 
Q. 4

The following nitrous oxide emissions (in thousands of tons) were recorded for the 48 states in the continental United States:
 
   
Q. 5

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Q. 6

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 />
 
   
 
   Use the above data to compute the
   values in the five-number summary.


  1.Minimum = 0

Q. 7

Data on weekday exercise time (in minutes) for 20 males are shown below. Compute the interquartile range.
   Male-Weekday


 
  1.56.6
  2.58.6
  3.64.75
  4.62.25
  5.67.5
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wrote...
6 years ago
Answer to #1

2

Answer to #2

1

Answer to #3

5

Answer to #4



Answer to #5



Answer to #6

 lower quartile = 17.5

Answer to #7

4
saysay Author
wrote...
6 years ago
Happy Dummy I'm impressed
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