Central Tendencies
the number/numbers that occur most often in a set of data
What is the mode?
What is the robot rule
1 5
5 25
2 10
3 15
4 20
times 5
part of the graph that tells you what it is about
what is the title
Data that is numerical
what is quantitative data
how many degrees are in a circle?
360
the middle number in a set of data that's in order from least to greatest
what is the median?
what is the robot rule
2 7
4 9
1 6
5 10
3 8
plus 5
true or false?
Bars in a bar graph should be touching
false
Data that is non numerical
what is qualitative data
when you add all the numbers in the relative frequency column you should get...
1.00 or 100%
what is the mode?
22, 26, 25, 30, 26, 24, 22, 21, 29, 32
22 and 26
what is the robot rule
2 12
3 17
5 27
4 22
1 7
times 5 plus 2
type of graph used to display data using bars of equal width on a grid
bar graph
numerical data you can gather by counting
what is discrete data
How do you find the size of an angle for a circle graph?
relative frequency times 360
Calculate the mean
5, 7, 6, 5, 8, 1, 3, 9, 4, 2
5
what is the robot rule
2 6
3 8
4 10
1 4
5 12
times 2 plus 2
The numbers on the y-axis of a bar graph
scale
numerical data you gather by measuring
what is continuous data
if the relative frequency is 0.35, what would the size of the angle be?
126°
find the median
2, 5, 3, 10, 7, 1, 8, 3, 5
5
what is the robot rule
5 28
2 10
4 22
1 4
3 16
times 6, minus 2
Graph used to compare parts of a whole
circle graph
temperature is an example of what type of data (be as specific as possible)
quantitative continuous data
If the angle size is 90°, what is the relative frequency?
0.25