Jillian and Dawn are playing a game of miniature golf. In this game, the score on a hole is the number of putts it takes to get the ball into the hole. The winner is the player with the lowest score. After playing 18 holes, Jillian’s mean is 2.4 and Dawn’s mean is 3.3. Which explains who won the game?
Answer
A
Jillian won the game because her score varied less than Dawn’s score.
B
Jillian won the game because the person with the lower mean took fewer putts on average for each hole.
C
Dawn won the game because the person with the greater mean played better.
D
Dawn won the game because her mean absolute deviation was less than Jillian’s.
Explanation
A lower score means fewer putts and therefore better performance. Jillian’s mean of 2.4 putts per hole is lower than Dawn’s mean of 3.3, so Jillian took fewer putts on average and won. The amount their scores varied does not determine the winner.
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