Question
P6.DA.NK.21060938-A2
PSLE
The average height of a group of girls was 133.6 cm. When Mr Tay measured and recorded the height of these girls, he wrongly recorded one child's height as 105 cm when it should have been 150 cm. As a result, Mr Tay calculated the average height as 128.6 cm. How many girls were there in the group?
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Primary 6 DATA ANALYSIS P6.DA.NK.21060938

14 Jun 2024, 04:32 AM

PSLE
The average height of a group of girls was 133.6 cm. When Mr Tay measured and recorded the height of these girls, he wrongly recorded one child's height as 105 cm when it should have been 150 cm. As a result, Mr Tay calculated the average height as 128.6 cm. How many girls were there in the group?
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