The mean height of 24 students was found to be 156 cm.it was discovered later that the reading 143 cm was wrongly read as 185cm.find the correct mean
Answers
Answered by
1
Answer:
the correct mean is = 153.5
Answered by
0
Answer:
154.25 cm
Step-by-step explanation:
Total height = 156×24 = 3744 cm
Subtract the wrong value and add the correct value
= 3744-185+143
= 3702 cm
Mean height= 3702÷24
= 154.25 cm
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