Question
P6.DA.NK.21060938-A1
PSLE
The average height of a group of pupils was 145.4 cm. When Mr Teo 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 Teo calculated the average height as 148.4 cm. How many pupils were there in the group?
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STUDENT

Primary 6 DATA ANALYSIS P6.DA.NK.21060938

17 May 2024, 11:00 PM

PSLE
The average height of a group of pupils was 145.4 cm. When Mr Teo 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 Teo calculated the average height as 148.4 cm. How many pupils were there in the group?
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