Question
P6.DA.NK.21060938-A2
PSLE
The average height of a group of pupils was 129.8 cm. When Mr Sim measured and recorded the height of these pupils, he wrongly recorded one child's height as 103 cm when it should have been 130 cm. As a result, Mr Sim calculated the average height as 126.8 cm. How many pupils were there in the group?
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Primary 6 DATA ANALYSIS P6.DA.NK.21060938

24 Jun 2024, 03:17 AM

PSLE
The average height of a group of pupils was 129.8 cm. When Mr Sim measured and recorded the height of these pupils, he wrongly recorded one child's height as 103 cm when it should have been 130 cm. As a result, Mr Sim calculated the average height as 126.8 cm. How many pupils were there in the group?
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