Pine Bush Karate
Picture of Do Jang
Email Kyo Sa Nim
Email Kyo Sa Kate
Math A Review
Median: Middle number or average of the middle numbers
when a list is in numerical order.
Mode: most often or most frequent
Range: Difference between the highest value and the
Frequency table: table of intervals and their frequencies
Frequency Histogram: a bar graph representing values
found from frequency table
Cumulative Frequency table: table of cumulative
intervals' frequencies starting at the lowest interval
Cumulative Frequency Histogram: a bar graph representing
the values found from the Cumulative table.
Quartiles and Percentiles
- Lower quartile or 25th percentile: 25% of the score fall
below a certain score.
- Middle quartile or 50th percentile: 50% of the scores at
or fall below a certain score.
- Upper quartile or 75th percentile: 75% of the scores at or
fall below a certain score.
- Finding the nth percentile: set up a percentile proportion
to find the one score the numbers in that percentile fall below, then count up
from the lowest interval to find the number's interval.
Modal Interval: Find the interval that has the highest
Median Interval: Find the nth middle number or numbers
and count up starting at the lowest interval and find that number's interval.