Question
P6.DA.NK.21060938-A2
PSLE
The average height of a group of girls was 128.8 cm. When Mr Heng measured and recorded the height of these girls, he wrongly recorded one child's height as 104 cm when it should have been 140 cm. As a result, Mr Heng calculated the average height as 124.8 cm. How many girls were there in the group?
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STUDENT

Primary 6 DATA ANALYSIS P6.DA.NK.21060938

21 May 2024, 10:38 AM

PSLE
The average height of a group of girls was 128.8 cm. When Mr Heng measured and recorded the height of these girls, he wrongly recorded one child's height as 104 cm when it should have been 140 cm. As a result, Mr Heng calculated the average height as 124.8 cm. How many girls were there in the group?
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