Question

1. Consider the following POPULATION of quiz scores {18, 23, 7, 20, 15, 12, 6, 23, 17, 16 }

  1. Compute the following: the mean ,μ, the variance, σ2, the standarddeviation, σ.

  2. State the mode, if one exists __________

  3. ApplytheEmpiricalRuleatthe95%level.

  4. What percentage of these Quiz Scores actually lie within the interval found in part c? _________________________

II. Again consider the given Quiz Scores: {18, 23, 7, 20, 15, 12, 6, 23, 17, 16 }

  1. Determine Q1, the median, and Q3:

  2. Draw a histogram with limits: 6-9, 10-13, 14-17, 18-21, 22-26.

Extra Credit A: Draw a box-plot for the information found in IIa.

1. Consider the following POPULATION of quiz scores {18, 23, 7, 20, 15, 12, 6, 23, 17, 16 } a. Compute the following: the mea

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Answer #1

solution- a) Given data 18,2317,20115, 12,6123117116 +17+16 Mean 157 18 +23+ l= En 10 10 U=15.7 Standard deviation Home (2:1

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