The heights of 11 girls in a hockey team are 162 cm, 152 cm, 166 cm, 149 cm
153 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?
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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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