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tatiyna
3 years ago
14

Use the following information to answer the question:

SAT
1 answer:
Naddika [18.5K]3 years ago
6 0

Answer:

average \ score \ of \ Mari = \frac{72+80+90+73+74+90}{6} = 79.83\\average \ score \ of \ Kai = \frac{56+63+70+100+32+23}{6} = 57.33\\

The next test they both score 100

average \ score \ of Mari = \frac{72+80+90+73+74+90+100}{7} = 82.71\\average \ score \ of Kai = \frac{56+63+70+100+32+23+100}{7} = 63.43\\

The increase in average score for Mari is 82.71 - 79.83 =2.88

The increase in average score for Kai is 63.43 - 57.33 = 6.1

Option B. Kai

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