1. A five-number summary of a univariate data set is determined to be [10, 15, 25, 45, 85]. These data are to be used to constru
ct a (modified) boxplot. Which of the following statements are true?
I. The mean is probably greater than the median.
II. There is at least one outlier.
III. The data are skewed to the right.
(A) I only
(B) II only
(C) III only
I. The mean is probably greater than the median.
II. There is at least one outlier.
III. The data are skewed to the right.
(A) I only
(B) II only
(C) III only
1 answer:
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Given:
6 male professores
9 female professores
5 male teaching assistants
6 female teaching assistants
Sol:.
N (professors)
N(Male)
N(professors and male)
N(professors OR male) = N(professors) + N(males) -N(professor OR male)
N(People to choose from)
Then probablitiy is:
Then the probability is 10/13