1.

The heights of 11 girls in a hockey team are 162 cm, 152 cm, 166 cm, 149 cm153 cm ,165 cm,169 cm,145 cm,155 cm,159 cm and 163 cm.If the girl who was 145 cm replaced by a girl 156 cm tall,what difference would this make to the average height of the team?

Answer»

Answer:

158.090909

Step-by-step EXPLANATION:

AVERAGE =Total of observations/no of observations

162+152+166+149+153+165+169+156+155+159+163

=1739/11

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