Question

Students from two high schools went to a band competition. Each student gave a solo performance and was rated by the judges. The possible scores ranged from 3 (one point from each judge) to 21 (seven points from each judge). The data show the scores of two groups of students.

Westlake Student Scores: 15, 17, 21, 21, 15, 9, 18, 15, 3, 11
Northshore Student Scores: 16, 8, 10, 10, 5, 20, 12, 7, 10, 9


Find the mean and the range of the data for the Westlake High School students and for the Northshore High School students. Use your results to compare the scores of the students from the

Answer 1

@hba -can you help me?

Answer 2

@matricked -can you help me?

Answer 3

for range find the smallest and the largest of the data and then subtract them
for finding the mean add or sum up all the data of each high schools and then divide by the number of the data in each school

Answer 4

Westlake
21-3=18 (range)
145 divded by 10=14.5 (mean

Answer 5

??????

Answer 6

Northshore
20-5=15 (range)
107 divded by 10= 10.7 (mean)

Answer 7

Am I understanding?

Answer 8

@matricked

Answer 9

when u subtract the lowest and the highest data u get the interval
u can write range as 3-21 inclusive and 5-20 inclusive no need to subtract

Answer 10

i hope mean may be correct

Answer 11

Do you know what they are asking for when they say "Use your results to compare the scores of the students from the two high schools" ???

Answer 12

it may ask u to compare mean
but there can be other measures too..

Answer 13

compare the mean- as to the difference? who scored higher, etc?

Answer 14

thanks for helping me