# Unit Overview: Univariate data

## Lessons:

12 lessons

### The data handling cycle

In this lesson, we will learn about the data handling cycle, and will classify data into different categories.

• 1 Quiz
• 15m Video
• Presentation(PPT)
• Worksheet
• Transcript

### Forming and testing a hypothesis

In this lesson, we will learn how to write a suitable hypothesis, and the difference between primary and secondary data sources.

• 2 Quizzes
• 13m Video
• Presentation(PPT)
• Worksheet
• Transcript

### Sampling

In this lesson, we will discuss the difference between a sample and a census, and how to avoid bias in sampling.

• 2 Quizzes
• 14m Video
• Presentation(PPT)
• Worksheet
• Transcript

### Survey questions

In this lesson, we will discuss how to ask appropriate survey questions, and how to give appropriate answer options to those questions.

• 2 Quizzes
• 9m Video
• Presentation(PPT)
• Worksheet
• Transcript

### Finding the mean

In this lesson, we will learn how to find the mean from a set of data.

• 2 Quizzes
• 12m Video
• Presentation(PPT)
• Worksheet
• Transcript

### Problem solving with the Mean

In this lesson, we will solve different types of problems requiring us to calculate the mean, and problems where we need to determine numbers that have a provided mean value.

• 2 Quizzes
• 12m Video
• Presentation(PPT)
• Worksheet
• Transcript

### Median, Mode and Range

In this lesson, we will learn how to find the mode, median and range from a set of data.

• 2 Quizzes
• 13m Video
• Presentation(PPT)
• Worksheet
• Transcript

### Comparing data

In this lesson, we will interpret differences between the mean, median, mode and range.

• 2 Quizzes
• 12m Video
• Presentation(PPT)
• Worksheet
• Transcript

### Interpreting frequency tables

In this lesson, we will learn how to sort data into a frequency table.

• 2 Quizzes
• 13m Video
• Presentation(PPT)
• Worksheet
• Transcript

### Mean from frequency tables

In this lesson, we will learn how to find the mean from a frequency table.

• 2 Quizzes
• 11m Video
• Presentation(PPT)
• Worksheet
• Transcript

### Median from frequency tables

In this lesson, we will learn how to find the median from a frequency table.

• 2 Quizzes
• 16m Video
• Presentation(PPT)
• Worksheet
• Transcript

### Interpreting bar charts

In this lesson, we will interpret bar charts, including finding the mean from a bar chart.

• 2 Quizzes
• 11m Video
• Presentation(PPT)
• Worksheet
• Transcript