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olasank [31]
3 years ago
6

Mr. Smith's first test's data: 55, 42, 78, 99, 69, 83, 74, 83, 97.

Mathematics
2 answers:
irina1246 [14]3 years ago
5 0

Answer:

arrange it first in increasing order

42,55,69,74,78,83,83,97,99

n=9

we have

Q2=(n+1)/2th term=(9+1)/2th term=5thterm=78

Citrus2011 [14]3 years ago
4 0

Answer:

78

Step-by-step explanation:

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