Probability
What kind of probabiliy is based on observing repeated experiments?
The number that appears the most often in a data set is called...?
The mode
A U shaped curve
What is 11 x 12?
132
What is the vertical axis labelled?
The y axis
13/52
How is the mean calculated?
What is the vertex?
The point where the parabola changes direction.
4
In a pair of co-ordinates, the first number represents which axis?
The x axis.
A fair die is rolled 24 times. How many times would you expect it to land with a 5 on top?
4 times
How is the median identified in a data set that has an even number of terms?
Find the average of the two numbers in the middle.
y = x2
How many prime numbers are there between 1 and 20?
There are 8: 2, 3, 5, 7 ,11, 13, 17, 19
What are the co-ordinates for the origin?
(0,0)
Two dice are thrown. What is the probability of getting a total of 7?
6/36 = 1/8
Combinations of 1,6 2,5 3,4 4,3 5,2 6,1
When would you use interquartile range rather than just range?
When there are outliers in the data set.
x-intercept
List all the factors for 24.
1, 2, 3, 4, 6, 8, 12, 24
How many quadrants have only positive numbers?
1
40 balls are numbered 1 - 40. One ball is selected at random. What is the probability that the number on the chosen ball will contain the number '1'?
13/40
1,10,11,12,13,14,15,16,17,18,19,21,31
What does IQR stand for?
Interquartile range
When would you call the vertex the minimum point?
When the parabola is open up or concave up.
How many square numbers are there between 0 and 100?
10
On which axis is the point (3,0) located?
The x axis.