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## Statistics and probability

### Course: Statistics and probability > Unit 1

Lesson 1: Analyzing one categorical variable- Identifying individuals, variables and categorical variables in a data set
- Individuals, variables, and categorical & quantitative data
- Reading pictographs
- Read picture graphs (multi-step problems)
- Reading bar graphs
- Reading bar graphs: Harry Potter
- Creating a bar graph
- Create bar graphs
- Reading bar charts: comparing two sets of data
- Read bar graphs (2-step problems)
- Reading bar charts: putting it together with central tendency
- Reading pie graphs (circle graphs)
- Picture graphs (pictographs) review
- Bar graphs review

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# Picture graphs (pictographs) review

Picture graphs are a fun way to display data. This article reviews how to create and read picture graphs (also called pictographs).

A picture graph (or pictograph) is similar to a bar graph but way more fun. Here's one that shows how many sheep each shepherd has:

This works well when we're dealing with small numbers, but what if shepherds had many more sheep?

We could make each sheep picture represent more than one sheep, like this:

In this picture graph, Diane has 4, times, 5, equals, 20 sheep, Girish has 5, times, 5, equals, 25 sheep, and Willy has just 5 sheep.

*Want to learn more about pictographs? Check out this video*.

## Want to join the conversation?

- Sir, what is the real life application of finding mean, median, mode, range?

(or) why we have to find mean, median, mode, range?(15 votes)- There are many applications of such things. As an adult, one must buy various items; at which point they may research how to obtain inexpensive yet high-quality goods. In many cases of doing research, ratings are involved. Ratings have a mean, a median, and a mode. Also, when researching variation in most anything, range is a factor along with mean, median, and mode.(26 votes)

- Can the scale have decimal values? For instance can 1 hot dog equals 1.5 hot dogs?(8 votes)
- yes , the scale can have any decimal values. However, you should reasonable scale so that the reading of your chart would be easy ;)(8 votes)

- If all values are unique on a bar chart what will be the
**mode**?(4 votes)- If all numbers occur only once, there is no
**mode**.(2 votes)

- what if there is 1,234,567,890,123,456,789,012,345,678,901,234,567,899 bugs and you need to graph them?(1 vote)
- A pictorial graph would not be good in this case(5 votes)

- Using Charts and Graphs in Social Studies

are being used in what form in percentage

10%

23%

44%

77%(3 votes) - With graphs like these, wouldn't it mean losing information if the data isn't exactly the value given. Like if I had 11 sheep, each sheep icon represents 5 sheep, and to represent my amount, 2 sheep were put.(1 vote)
- That's very true. You kind of have to adjust the graph for the data given, e.g. in the case of 11, you could go with 1 sheep = 1 picture.

However, in some cases you could represent half the amount of sheep by slicing the picture in half, which is more visually distinguishable.

(E.g. 1 icon = 2 sheep -> 5 and 1/2 icons represent 11 sheep.)(1 vote)

- what do we use picto graphs for what jobs use em(2 votes)
- i think data analyst use picto graphs(2 votes)

- Each medical intern was asked to chart how many patients per day each day of the week. By the end of the week, they had a chart to show which days were busiest.(2 votes)
- why is this sooo easy?(1 vote)
- are these used in data science projects....?(2 votes)