10 Questions
Define the term 'mean'.
The mean is the average of a list of numbers.
What is the mode of the following set of numbers: 1, 2, 3, 4, 4, 5, 5, 6, 6, 6?
The mode is 6.
Explain how to find the median of a set of numbers.
If the number of data points is odd, the median is the middle point. If the number of data points is even, the median is the average of the two middle numbers.
List three types of graphs used to display data and give a brief description of each.
- Line graphs show changes over time. 2. Bar graphs compare quantities for particular categories. 3. Pie graphs show the relationship among parts of a whole.
Why is it important for data to be valid?
Valid data can be verified and reproduced by scientists, ensuring accuracy in research findings.
Which type of graph is best suited for showing the relationship between two variables in a data set?
Line graph
What type of graph would be most appropriate for representing the distribution of ages in a population?
Histogram
In a scatterplot, what does a positive correlation between two variables indicate?
As one variable increases, the other variable also increases.
When is a pie graph most useful in data representation?
To compare parts of a whole
Which type of graph is suitable for comparing different categories or groups with distinct bars?
Bar graph
This quiz covers topics related to analyzing data, including types of data (qualitative and quantitative), reasons for invalid data, and different ways to display quantitative data. Learn about identifying valid and invalid data and the characteristics of qualitative and quantitative data.
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