The following data represent the scores of 50 students on a statistics exam. The mean score is 80.02, and the standard deviation is 11.9.
39 51 59 63 66 68 68 69 70 71
71 71 73 74 76 76 76 77 78 79
79 79 79 80 80 82 83 83 83 85
85 86 86 88 88 88 88 89 89 89
90 90 91 91 92 95 96 97 97 98
Use the z-score method to identify potential outliers among the scores.
Answer the question True or False.
What will be an ideal response?
Question 2
The university police department must write, on average, five tickets per day to keep department revenues at budgeted levels. Suppose the number of tickets written per day follows a Poisson distribution with a mean of 7. Find the probability that fewer than six tickets are written on a randomly selected day.
A) 0.699292 B) 0.300708 C) 0.449711 D) 0.550289
The deer mouse and the African elephant represent extremes among mammals of r versus K selection.
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Results from sequential study of two cohorts tested at three ages and at three different points in t
Although the Democrats and the Republicans represent slightly different slices of the center, those ...
Looking carefully at the scan tool data is very helpful in locating the source of a problem.
Acquiring Weather Data