Other Data Analyses - SAT Subject Test in Math I
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Question
Above is the stem-and-leaf display for a group of test scores. Which of the following scores would come closest to being at the 70th percentile?
Above is the stem-and-leaf display for a group of test scores. Which of the following scores would come closest to being at the 70th percentile?
Answer
The stem-and-leaf display represents 53 scores. The score at the 70th percentile would be the score that is greater than 70% of the 53 scores, or
scores.
We count up 38 scores from the bottom:
The 38th-lowest score is 78, which is the correct choice.
The stem-and-leaf display represents 53 scores. The score at the 70th percentile would be the score that is greater than 70% of the 53 scores, or
We count up 38 scores from the bottom:
The 38th-lowest score is 78, which is the correct choice.
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