Question
P6.DA.NK.21060938-A1
PSLE
The average height of a group of pupils was 131.7 cm. When Mr Leng measured and recorded the height of these pupils, he wrongly recorded one child's height as 197 cm when it should have been 179 cm. As a result, Mr Leng calculated the average height as 134.7 cm. How many pupils were there in the group?
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Primary 6 DATA ANALYSIS P6.DA.NK.21060938

15 Jun 2024, 06:19 PM

PSLE
The average height of a group of pupils was 131.7 cm. When Mr Leng measured and recorded the height of these pupils, he wrongly recorded one child's height as 197 cm when it should have been 179 cm. As a result, Mr Leng calculated the average height as 134.7 cm. How many pupils were there in the group?
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