The table shows information about 1065 students. Th
Th
Male
Female
Year 7
126
109
Year 8
112
134
Year 9
121
114
Year 10
87
94
Year 11
88
80
Elena takes a stratified sample of 120 students by year group and by gender.
Work out the number of Year 8 female students in her sample.

a

step-by-step explanation:

when a number is between two straight lines it means the absolute value.

to find absolute value you need to know how many numbers is that number away from 0.

when finding absolute value the number will always come out positive

so absolute value of -3 is 3

absolute value of 3/2 is 3/2

absolute value of -2 is 2

absolute value of 3.5 is 3.5

absolute value of -1 is 1

now put these numbers in order:

a)   |-1|, |3/2|, |-2|, |-3|, |3.5|

mean, 40.6

step-by-step explanation:

d. all of the above

step-by-step explanation:

hi there!

question 1 answer: p/q can be terminating when q = 5^m * 2^n

question 2 answer: -1 and -1

question 3 answer: -4

question 4 answer: 5/12

hope this : )