Question
P6.DA.NK.21060938-A1
PSLE
The average height of a group of girls was 130.2 cm. When Mr Long measured and recorded the height of these girls, he wrongly recorded one child's height as 180 cm when it should have been 108 cm. As a result, Mr Long calculated the average height as 136.2 cm. How many girls were there in the group?
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Primary 6 DATA ANALYSIS P6.DA.NK.21060938

02 Jul 2024, 01:40 PM

PSLE
The average height of a group of girls was 130.2 cm. When Mr Long measured and recorded the height of these girls, he wrongly recorded one child's height as 180 cm when it should have been 108 cm. As a result, Mr Long calculated the average height as 136.2 cm. How many girls were there in the group?
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