3 years ago

A random sample of 15 of the 78 competitors at a middle school gymnastics competition are asked

Mathematics

1 answer:

bija089 [108]3 years ago

5 0

Answer: 60

Step-by-step explanation:

mean: you just add all 15 numbers then divide the number you get by 15.

55+57+57+58+59+59+59+59+59+61+62+62+63+64+66=900

900/15=60

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