(b) The mean height of 200 plants (in cm) was 50 cm. Later on, it was discovered that the
height of two plants were misread as 92 and 8 instead of 192 and 88. Find the correct
mean.
Answers
Answered by
0
Answer:
50.9cm
Step-by-step explanation:
mean=sigmax/n
50=sigmax/200
10000=sigmax
Mean=10000+(192+88)-(92+8)
=10000+280-100
=10000+180
=10180
Actual mean=10180/200
=1018/20
=509/10
=50.9
Similar questions