normal
43
For the scores 3, 5, 7, 9, 12, 21, 25, 30, calculate the 25th percentile based on "Definition 1."

false
7
0.0
According to Definition 1, the 25th percentile is the lowest score higher than 25% of the scores. Since there are 8 scores, this would be the lowest score higher than (0.25) x 8 = 2 scores. The score 7 is higher than the scores 3 and 5.
For the scores 3, 5, 7, 9, 12, 21, 25, 30, calculate the 25th percentile based on "Definition 2."

false
5
0.0
According to Definition 2, the 25th percentile is the lowest number greater than or equal to 25% of the scores. Since there are 8 scores, this would be the lowest number greater than or equal to (0.25) x 8 = 2 scores. The number 5 is greater than or equal to the scores 3 and 5.
For the scores 3, 5, 7, 9, 12, 21, 25, 30, calculate the 25th percentile based on "Definition 3."

false
5.5
0.0
R = 25/100 x (8 + 1) = 2.25; IR = 2; FR = 0.25; The 25th percentile = 0.25 x (7-5) + 5 = 5.5.
For the scores 3, 5, 7, 9, 12, 21, 25, 30, calculate the 80th percentile based on "Definition 3."

false
26
0.0
R = 80/100 x (8 + 1) = 7.2; IR = 7; FR = 0.2; The 80th percentile = 0.2 x (30 - 25) + 25 = 26.
What is the 75th percentile of Y based on "Definition 3"?

2
0.01
showCorrectAnswer.
What is the 25th percentile of Y based on "Definition 3"?

2
0.01
showCorrectAnswer.