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SAT® Subject Test in Math 1 & 2

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Moderate

Additional Data Affecting the Mean

SATSTM-LZWYCY

The average weight of $15$ members of a wrestling team is $147$ pounds. When a new student joined the team, the average decreased to $145$ pounds. What was the weight of the new student (in pounds)?

A

$107$

B

$111$

C

$113$

D

$115$

E

$117$