Vocabulary
This is the middle number in a data set
Median
The data set is:
3, 5, 3, 4, 6, 3
What is the mode?
3
This is like a bar graph, but the data is separated into groups.
Histogram
Barbara tracked how many miles she walked each day this week: 2, 3, 4, 3, 1. What is the mode of her data?
3
This is the number that appears most often
Mode
The data set is:
14, 9, 11, 17, 12
What is the median?
12
We can use circles or Xs to represent data on this kind of graph
Dot Plot/Line Plot
Emely recorded the number of pages she read over five nights: 10, 15, 12, 18, 15. What is the median number of pages?
15
Another word for the "average" of a data set
Mean
The data set is:
72, 85, 80, 75, 78
What is the mean?
78
This kind of graph shows changes over time
Line Graph
Tracy time how many minutes it took her to get to work each day: 18, 22, 20, 25, 15. What is the range of her times?
10
Data can be presented in this form to make it easier to understand.
Charts/Graphs/Tables
The data set is:
60, 64, 68, 64, and 70
What are the median and mode?
Median: 64, Mode: 64
This graph has two whiskers that show us the minimum and maximum values
Box Plot
Christina baked cookies and counted how many she made each time: 24, 30, 28, 26, 32. What is the mean number of cookies she baked?
28
This is another name for the vertical axis on a graph.
y-axis
The data set is:
10, 7, 9, 8, 8, 6, 8
What are the mean, median, and mode?
Median: 8
Mode: 8
This is the name for the horizontal axis on a graph
x-axis
Sonja recorded the number of customers who came in her shop each hour: 12, 14, 20, 14, 16, 14. Find the mean, median, and mode.
Mean: 15
Median: 14
Mode: 14