What is the 3, 4, 6, 3,5, 6, 3, 4, 6, 6,8,4, 3,3,1 12. 13. The accompanying diag

Question

What is the 3, 4, 6, 3,5, 6, 3, 4, 6, 6,8,4, 3,3,1 12. 13. The accompanying diagram shows the heights of the What is the total number of students in the class? students in Kyra's math dass 160-169 170-179 180-109 190-199 200-20 Height (om) 14. What is the median of the following set of numbers? 7, 8, 9, 10, 4, 6, 9,0 15. The mean of 9 numbers is 15. Find the sum of the numbers. 16. In the set of scores below, how many scores are less than the mean? 50, 52, 50, 52, 62, 69. 17. Jennifer has grades of 80, 80, 82, and 72 on four Math tests. What grade must she obtain on the next test so that her average for the five tests will be 80? The ages of five children in a family are 4, 4, 6, 9, and 19. Which statement is true for this group of data? 18. b) Median mode a) Mode > mean d) Median > mean c) Mean> median below A survey asked if people liked the present major in NYC. The Construct a pie graph for the data and analyze the results (the represented using degrees or percentages) be 19 Number of people 300 130 70 Answer Yes No Undecided

Explanation / Answer

Ans:

12)mode=3 as it appears with highest frequency(i.e. 5 times)

13)Total number of students=2+4+5+4+1=16

14)Sorted data:

0,4,6,7,8,9,9,10

median=(7+8)/2=7.5

15)sum=15*9=135

16)Mean==(50+52+50+52+62+69)/6=55.83

Number of scores less than mean=4

17)

(80+80+82+72+x)/5=80

(314+x)/5=80

314+x=400

x=400-314

x=86

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