Question
P6.DA.NK.21060938-A2
PSLE
The average height of a group of girls was 158.4 cm. When Mr Yeo measured and recorded the height of these girls, he wrongly recorded one child's height as 107 cm when it should have been 170 cm. As a result, Mr Yeo calculated the average height as 155.4 cm. How many girls were there in the group?
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STUDENT

Primary 6 DATA ANALYSIS P6.DA.NK.21060938

28 Jun 2024, 02:12 AM

PSLE
The average height of a group of girls was 158.4 cm. When Mr Yeo measured and recorded the height of these girls, he wrongly recorded one child's height as 107 cm when it should have been 170 cm. As a result, Mr Yeo calculated the average height as 155.4 cm. How many girls were there in the group?
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