Order of Operations
8 + 6 x 3
26
A six-sided die is rolled? What is the probability of rolling a 2?
⅙
Yes, by corresponding angles
What is the median of the data set:
4, 6, 8, 6, 10, 12
7
9 x 2 + 4 ÷ 2
13
A spinner has 4 equal sections: Red, Blue, Green, and Yellow. What is the probability of landing on Blue?
1/4
Yes, by alternate exterior angles.
Compare the mean and median of the following data set:
3, 5, 7, 9, 50
Which is larger?
Mean = 14.8
Median = 7
Mean > Median
20 ÷ (5+5) x 4
8
A coin is flipped twice. What is the probability of getting two heads?
1/4
Yes, by Alternate interior angles
A basketball player's scores are listed below:
12, 15, 14, 13, 46
Is the mean or median a better representation for his overall performance?
Median because 46 is an outlier that will skew the mean.
36 ÷ (3 x 2) + 5
11
A bag contains 4 red, 2 blue, and 4 green marbles. What is the probability of NOT picking a blue marble?
Remember to reduce!
4/5
76 degrees -> Supplementary angles equal 180 degrees.
Two classes took the same quiz. Here are their scores:
Class A: 70, 75, 80, 85, 90
Class B: 60, 70, 80, 90, 100
Find the mean for each class. Which class performed better overall?
Class A: 80
Class B: 80
Overall, they were the same.
(12 - 2)2 ÷ (5 x 2)
10
A spinner has 5 equal sections numbered 1-10. What is the probability of landing on a number greater than 7?
3/10
Create a data set with no mode, a median of 5, and a mean that is not 5.
Answers may vary. The middle number (when ordered) should be 5, and the mean should not be 5.