Question
P6.DA.NK.21060938-A1
PSLE
The average height of a group of students was 142.8 cm. When Mr Chan measured and recorded the height of these students, he wrongly recorded one child's height as 164 cm when it should have been 146 cm. As a result, Mr Chan calculated the average height as 145.8 cm. How many students were there in the group?
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Primary 6 DATA ANALYSIS P6.DA.NK.21060938

20 Jun 2024, 11:14 PM

PSLE
The average height of a group of students was 142.8 cm. When Mr Chan measured and recorded the height of these students, he wrongly recorded one child's height as 164 cm when it should have been 146 cm. As a result, Mr Chan calculated the average height as 145.8 cm. How many students were there in the group?
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