Question
P6.DA.NK.21060938-A1
PSLE
The average height of a group of pupils was 130.2 cm. When Mr Ng measured and recorded the height of these pupils, he wrongly recorded one child's height as 183 cm when it should have been 138 cm. As a result, Mr Ng calculated the average height as 133.2 cm. How many pupils were there in the group?
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STUDENT

Primary 6 DATA ANALYSIS P6.DA.NK.21060938

04 Jul 2024, 09:45 AM

PSLE
The average height of a group of pupils was 130.2 cm. When Mr Ng measured and recorded the height of these pupils, he wrongly recorded one child's height as 183 cm when it should have been 138 cm. As a result, Mr Ng calculated the average height as 133.2 cm. How many pupils were there in the group?
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