Question
P6.DA.NK.21060938-A1
PSLE
The average height of a group of girls was 129.5 cm. When Mr Yap measured and recorded the height of these girls, he wrongly recorded one child's height as 150 cm when it should have been 105 cm. As a result, Mr Yap calculated the average height as 132.5 cm. How many girls were there in the group?
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Primary 6 DATA ANALYSIS P6.DA.NK.21060938

04 Jul 2024, 08:43 AM

PSLE
The average height of a group of girls was 129.5 cm. When Mr Yap measured and recorded the height of these girls, he wrongly recorded one child's height as 150 cm when it should have been 105 cm. As a result, Mr Yap calculated the average height as 132.5 cm. How many girls were there in the group?
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