thavachelvanrekan3 thavachelvanrekan3

08-10-2022
Mathematics

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The table show all the students in each year group of a school . The headteacher wants to do a survey . She decides to take a stratified sample of 80 students to interview . Work out the missing values for A to E

The table show all the students in each year group of a school The headteacher wants to do a survey She decides to take a stratified sample of 80 students to in class=

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