Question
P6.DA.NK.21060938-A1
PSLE
The average height of a group of boys was 117.7 cm. When Mr Choy measured and recorded the height of these boys, he wrongly recorded one child's height as 172 cm when it should have been 127 cm. As a result, Mr Choy calculated the average height as 120.7 cm. How many boys were there in the group?
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STUDENT

Primary 6 DATA ANALYSIS P6.DA.NK.21060938

27 Jun 2024, 04:02 PM

PSLE
The average height of a group of boys was 117.7 cm. When Mr Choy measured and recorded the height of these boys, he wrongly recorded one child's height as 172 cm when it should have been 127 cm. As a result, Mr Choy calculated the average height as 120.7 cm. How many boys were there in the group?
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