6. The exam scores (out of 100 points) for all students taking an introductory s

Question

6. The exam scores (out of 100 points) for all students taking an introductory statistics course are used to construct the following boxplot. Based on this boxplot, which statement is TRUE? A) The distribution of scores is fairly symmetric B) About half the students scored below 63. C) Nobody scored below 25. D) All of the answer options are correct. 7. The average salary of all female workers at a large plant is $35,000. The average salary of all male workers at the plant is $41,000. If there are more female workers than male workers at the plant, then the average salary at the plant must be: A) exactly $38,000. B) larger than $38,000. C) smaller than $38,000. D) larger than $41,000.

Explanation / Answer

6) option D ; all are correct

7)option C ; as there are more females their weight will shift mean more toward their avg salary)

8) option C

9)option A is correct ; as middle value is 16)

10)IQR =Q3-Q1 = 6th value -2th value =20-10=10

option D

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