Question
P6.DA.NK.21060938-A1
PSLE
The average height of a group of pupils was 145.4 cm. When Mr Ang measured and recorded the height of these pupils, he wrongly recorded one child's height as 170 cm when it should have been 107 cm. As a result, Mr Ang calculated the average height as 152.4 cm. How many pupils were there in the group?
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Primary 6 DATA ANALYSIS P6.DA.NK.21060938

01 Jul 2024, 12:30 AM

PSLE
The average height of a group of pupils was 145.4 cm. When Mr Ang measured and recorded the height of these pupils, he wrongly recorded one child's height as 170 cm when it should have been 107 cm. As a result, Mr Ang calculated the average height as 152.4 cm. How many pupils were there in the group?
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