The mean height of 11 students in a group is 150 cm. The heights of the students are 154cm,145cm,Y cm,Y+4cm,160cm,151 cm,149cm,149cm,150cm,144cm and 140 cm. Find the value of Y and the heights of two students
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Answer:
Y= 152
Height of 2 students are 152 and 156 cm.
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