Question
P6.DA.NK.21060938-A2
PSLE
The average height of a group of students was 138.7 cm. When Mr Loo measured and recorded the height of these students, he wrongly recorded one child's height as 126 cm when it should have been 162 cm. As a result, Mr Loo calculated the average height as 134.7 cm. How many students were there in the group?
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Primary 6 DATA ANALYSIS P6.DA.NK.21060938

30 Jun 2024, 06:18 AM

PSLE
The average height of a group of students was 138.7 cm. When Mr Loo measured and recorded the height of these students, he wrongly recorded one child's height as 126 cm when it should have been 162 cm. As a result, Mr Loo calculated the average height as 134.7 cm. How many students were there in the group?
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