Question
The following 19 test scores are based on a random sample of final exam scores (sorted in increasing order) for the population of students who
The following 19 test scores are based on a random sample of final exam scores (sorted in increasing order) for the population of students who took an elementary statistics course at a large university over a 5 year period:61 65 69 70 71 73 75 77 77 82 82 83 84 85 86 89 92 92 94
Answer the following question without performing any calculations.
Suppose we removed the smallest test score (61) from the sample. Describe how each of the following statistics would change.
The median would increase; decrease; remain the same?
The mean would increase; decrease; remain the same?
The standard deviation would increase; decrease; remain the same?
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