. Liza got a score of 45 which is equivalent to 80th percentile in an English test. Which of the following is not true?*1 pointA. She scored above 80% of his classmate.B. Her score is below 6th decile.C. Twenty percent of the class got score of 45 and above.D. If the passing mark is the second quartile, she passed the test.
Question
. Liza got a score of 45 which is equivalent to 80th percentile in an English test. Which of the following is not true?*1 pointA. She scored above 80% of his classmate.B. Her score is below 6th decile.C. Twenty percent of the class got score of 45 and above.D. If the passing mark is the second quartile, she passed the test.
Solution
The statement that is not true is B. "Her score is below the 6th decile."
Here's why:
A. "She scored above 80% of her classmates." This is true. Being in the 80th percentile means that she scored higher than 80% of her classmates.
B. "Her score is below the 6th decile." This is not true. The 6th decile is the 60th percentile, and since she is in the 80th percentile, her score is above the 6th decile.
C. "Twenty percent of the class got a score of 45 and above." This is true. Being in the 80th percentile means that 20% of the class scored the same or higher than she did.
D. "If the passing mark is the second quartile, she passed the test." This is true. The second quartile is the 50th percentile, and since she is in the 80th percentile, she passed the test.
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