Types of Data
What is quantitative data?
Data that uses numbers and can be measured.
Name 7 different types of graphs
bar graph
line/broken line graph
histogram
pictograph
line plot
vann diagram
pie chart
stem-and-leaf plot
scatter plot
What is infographics?
A visual representation of data to make it easy to see and understand.
Name 4 types of measures of central tendency.
1. Range
2. Mean
3. Median
4. Mode
You use _____ ___ _____ ___ to analyze scatter plots. Why is this necessary?
You use Line of best fit. It is necessary because it allows us to see the relationships between x and y axis.
What is a qualitative data?
Data that describes qualities or categories.
Which graph is best for showing trends over several months?
line/broken line graph
True or False: Infographics should include too much text.
False
Find the range. (You have 30 seconds)
55, 32, 45, 13, 23, 14
42
Name 5 types of relationships/correlations you can find in a scatter plot.
weak, strong, positive, negative, no correlation
“Favorite color” is an example of this type of data.
qualitative data
What is a frequency table? What are the two headings called?
Frequency table records how many times each data is repeated in a data set.
The two headings are intervals(range) and frequency.
Name one feature commonly found in an infographic.
pictures, charts, graphs, texts, numbers, labels, icons, titles, etc.
Find the median.
12 + 42 + 50 + 23 + 12 + 10
17.5
What is an outlier?
data point(s) that is distant and significantly different than other data.
“Height in centimeters” is an example of this type of data.
continuous quantitative data
Make intervals for the following Math grade collected:
72, 75, 77, 89, 90, 98, 65, 55, 82, 85, 87, 92
Answers may vary:
60-69
70-79
80-89
90-99
How many different types of infographics did we learn? Name them all. (You have 60 seconds)
1. Informational
2. Statistic
3. Comparison
4. Timeline
5. Geographical
Find the mode. (You have 30 seconds)
3, 4, 2, 1, 2, 3, 4, 1, 1, 1, 4, 4, 2, 6, 5, 2, 3, 2
2
If the mean is greater than the median, the data is likely…
positively skewed
"Number of iPhones sold in March" is an example of this data.
discrete quantitative data
Which graph would best show how many students prefer pizza, burgers, or pasta?
Bar graph
What is the most efficient infographic to use to show current world news? Explain your answer.
informational/geographic/statistic/timeline/comparison
Find the mean.
Round the answer to the nearest tenth.
35.5 + 25.2+ 34.3+ 12.5 + 25.0 + 40.4
28.82
Which measure is most affected by extreme values (outliers)?
mean