Statistics Solutions

[See Solution] A psychology test to measure memory skills was given to a random sample of 43 students. The results follow, where x is the student score

Question: A psychology test to measure memory skills was given to a random sample of 43 students. The results follow, where x is the student score and f is the frequency with which students obtained this score.

Score f
0 - 10 4
11 - 21 8
22 - 32 12
33 - 43 9
44 - 54 10
  1. Compute the Mean: complete the chart above and show work below
  2. Compute the Variance: complete the chart above and show work below.
  3. Compute the Standard Deviation:

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Solution: The downloadable solution consists of 2 pages
Deliverable: Word Document


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