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Home Q & A Board Science-Related Homework Help Mathematics Statistics and Probability
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jumer01 jumer01
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6 years ago
If the sample variance is calculated and found to be s2 = 9, what is the standard deviation?
  1.3
  2.3 or -3
  3.-3
  4.81

Q. 2

Consider the weights (in pounds) of the five children at a local daycare center: 24, 37, 34, 45, 30
   What is the deviation from the mean for x = 45?


  1.11
  2.24
  3.0
  4.-11

Q. 3

Consider the weights (in pounds) of the five children at a local daycare center:
   24, 37, 34, 45, 30
   What is the range?


  1.6
  2.21
  3.23
  4.10.5

Q. 4

What word best describes a distribution whose mean is significantly larger than its median?
  1.uniform
  2.symmetric
  3.right-skewed
  4.left-skewed

Q. 5

Consider the data set 11, 14, 6, 11, 3. After a typographical error is discovered, the first 11 was changed to a 17. Which of the following would remain unchanged?
  1.midrange
  2.median
  3.mean
  4.mode

Q. 6

Which data set has a mode of 3?
  1.7, 7, 7, 5, 2
  2.1, 1, 3, 3, 5
  3.8, 3, 7, 3, 2
  4.5, 5, 5, 1, 1
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PitaPita
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#1
Posts: 363
Rep: 3 0
6 years ago
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jumer01 Author
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6 years ago
Helped a lot
Chaldoren
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Yesterday
Just got PERFECT on my quiz
jayfo05
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2 hours ago
Thanks for your help!!
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