Create a problem for additional rules and do the two-way tables, please.

vestirme4 2021-09-01 Answered
Create a problem for additional rules and do the two-way tables, please.
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Macsen Nixon
Answered 2021-09-02 Author has 117 answers
A class of 20 students, 8 of which are boys were asked whether they take additional classes or not. 5 girls have additional classes and 5 boys do not have them. Create a two-way table to illustrate the results. A student is chosen at random. 1) Arrange the data from above in a two-way table. 2) A boy and has additional classes. 3) A girl and does not have additional classes. 4) A boy is chosen, and he has additional classes. 5) A girl is chosen, and she does not take additional classes.
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Suppose we have data set: 19 , 21 , 22 , 22 , 28 , 31 , 33 , 44 , 50. Find the interquartile range of this set.
First solution: Firstly, we should find the 75th percentile of this set. 0 , 75 9 = 6 , 75 and rounding up this number to nearest whole we get 7. So the 75th percentile of this set is 33. Secondly, should find the 25th percentile of this set. 0 , 25 9 = 2 , 25 and rounding up this number to nearest whole we get 3. So the 25th percentile of this set is 22. Hence,
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