Question
P6.DA.NK.21060938-A1
PSLE
The average height of a group of children was 123.2 cm. When Mr Ong measured and recorded the height of these children, he wrongly recorded one child's height as 142 cm when it should have been 124 cm. As a result, Mr Ong calculated the average height as 126.2 cm. How many children were there in the group?
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STUDENT

Primary 6 DATA ANALYSIS P6.DA.NK.21060938

03 Jul 2024, 05:54 PM

PSLE
The average height of a group of children was 123.2 cm. When Mr Ong measured and recorded the height of these children, he wrongly recorded one child's height as 142 cm when it should have been 124 cm. As a result, Mr Ong calculated the average height as 126.2 cm. How many children were there in the group?
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