PLEASE SOLVE THIS QUESTION AND THE BEST SOLUTION WOULD BE MARKED AS BRAINLIEST
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the sum of observations = 152 × 8 = 1216 cm
Given that two more students of heights 143 cm and 156 cm joined the group.
Hence new sum of observations = 1216 + 143 + 156 = 1515 cm
∴ Please check the image now
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