Question
P6.DA.NK.21060938-A2
PSLE
The average height of a group of girls was 120.2 cm. When Mr Seow measured and recorded the height of these girls, he wrongly recorded one child's height as 159 cm when it should have been 195 cm. As a result, Mr Seow calculated the average height as 117.2 cm. How many girls were there in the group?
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Primary 6 DATA ANALYSIS P6.DA.NK.21060938

17 Jun 2024, 11:18 AM

PSLE
The average height of a group of girls was 120.2 cm. When Mr Seow measured and recorded the height of these girls, he wrongly recorded one child's height as 159 cm when it should have been 195 cm. As a result, Mr Seow calculated the average height as 117.2 cm. How many girls were there in the group?
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