Question
P6.DA.NK.21060938-A2
PSLE
The average height of a group of pupils was 125.5 cm. When Mr Lee measured and recorded the height of these pupils, he wrongly recorded one child's height as 136 cm when it should have been 163 cm. As a result, Mr Lee calculated the average height as 122.5 cm. How many pupils were there in the group?
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STUDENT

Primary 6 DATA ANALYSIS P6.DA.NK.21060938

18 May 2024, 06:13 AM

PSLE
The average height of a group of pupils was 125.5 cm. When Mr Lee measured and recorded the height of these pupils, he wrongly recorded one child's height as 136 cm when it should have been 163 cm. As a result, Mr Lee calculated the average height as 122.5 cm. How many pupils were there in the group?
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