Question
P6.DA.NK.21060938-A1
PSLE
The average height of a group of pupils was 151.7 cm. When Mr Kong measured and recorded the height of these pupils, he wrongly recorded one child's height as 184 cm when it should have been 148 cm. As a result, Mr Kong calculated the average height as 155.7 cm. How many pupils were there in the group?
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Primary 6 DATA ANALYSIS P6.DA.NK.21060938

17 Jun 2024, 10:45 PM

PSLE
The average height of a group of pupils was 151.7 cm. When Mr Kong measured and recorded the height of these pupils, he wrongly recorded one child's height as 184 cm when it should have been 148 cm. As a result, Mr Kong calculated the average height as 155.7 cm. How many pupils were there in the group?
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