Julia Sim's answer to Jenny's Secondary 3 E Maths Singapore question.
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This type of question has to be done using calculator during exams because you won’t have during exam.
Go to your calculator ( casio ) Mode - stat - 1 - type in the numbers. X would be the middle of each range . After you are done , press AC - shift -1 - 4 - 2( for mean)
Go to your calculator ( casio ) Mode - stat - 1 - type in the numbers. X would be the middle of each range . After you are done , press AC - shift -1 - 4 - 2( for mean)
Date Posted:
3 years ago
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