In a recent study, the average number of times a person checks their phone every day is 96, with a median of 90 and a mode of 80, with a variance of 348.2 and a range of 269. Discuss the shape of the distribution of phone checking. Discuss the dispersion of this variable. Calculate/report the standard deviation for phone checking. If someone checks their phone 125 times, what is associated Z score? If someone checks their phone 68 times, what is the Z score? If your friend reports a Z score of 2.2, what is their raw score/checking number of times?

MATLAB: An Introduction with Applications
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Chapter1: Starting With Matlab
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In a recent study, the average number of times a person checks their phone every day is 96, with a median of 90 and a mode of 80, with a variance of 348.2 and a range of 269.

  1. Discuss the shape of the distribution of phone checking.
  2. Discuss the dispersion of this variable.
  3. Calculate/report the standard deviation for phone checking.
  4. If someone checks their phone 125 times, what is associated Z score?
  5. If someone checks their phone 68 times, what is the Z score?
  6. If your friend reports a Z score of 2.2, what is their raw score/checking number of times?
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