Vocab
The number that appears most often
Mode
Ten cards numbered 1-10
What is the probability that an odd number is drawn?
1/2
What is the range of this data set?
70, 77, 85, 85, 77, 95, 77, 90
20
During one term, Rachel took 2 math tests. Her mean score was 75. She scored 12 points more on the first test than on the second test. How many points did she score on the second test?
69
The middle number of a set of data
Median
An eight-sided number cube has numbers 1-8 on it.
What is the probability that you will get a 2 or a 5?
1/4
What is the mode of this data set?
70, 77, 85, 85, 77, 95, 77, 90
77
The average of a set of data is also called the
Mean
An eight-sided cube is tossed numbered 1-8.
What is the probability that it will land on a number less than 4?
3/8
What is the average of this data set?
70, 77, 85, 85, 77, 95, 77, 90
82
The outcome that you want to happen
Favorable outcome
All of your answers for probability should be in
Simplest form
What is the median of this data set?
70, 77, 85, 85, 77, 95, 77, 90
81
The difference between the least and the greatest number
Range
What is the formula for probability?
# of favorable outcomes/ total # of outcomes