Question
P6.DA.NK.21060938-A1
PSLE
The average height of a group of students was 138.9 cm. When Mr Leng measured and recorded the height of these students, he wrongly recorded one child's height as 186 cm when it should have been 168 cm. As a result, Mr Leng calculated the average height as 141.9 cm. How many students were there in the group?
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Primary 6 DATA ANALYSIS P6.DA.NK.21060938

22 Jun 2024, 04:17 AM

PSLE
The average height of a group of students was 138.9 cm. When Mr Leng measured and recorded the height of these students, he wrongly recorded one child's height as 186 cm when it should have been 168 cm. As a result, Mr Leng calculated the average height as 141.9 cm. How many students were there in the group?
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