Range and Quartiles: What Is an Outlier?
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- So far in statistics, we have learned about the range, the interquartile range (IQR), and how we can use both of these to compare data with the box and whisker plot. However, th…
By Trisha, Jonathan Heller, Anusha Rahman
- (Video) Statistics - How to find outliers by MySecretMathTutor So far, we have learned about, variability, range, and quartiles, but now let's add another element by learning ab…
By Trisha
- Outliers When dealing with large real-life datasets, we will often come across outliers. An outlier is a point in the dataset that lies outside of the typical range of values fo…
By Anusha Rahman
Problems 20
- What is the outlier in the following data set? {5,3,4.55,2.99,4.789,2,11}
- Can there be multiple outliers in a data set?
- What is the outlier(s) in the data set below? {4,25,43,75,24,67,46,32,67,42,57,300,245}
- What is the outlier in the following data set? {2,22,25,24,25,31,21}
- What is the outlier(s) in the data set (height of a mug in cm)? {10,11, 10.75, 12, 9.75, 11.24}
- What do the stars in the red circle represent on the box-plot above?
- Does the scatter plot above appear to have any outliers?
- Does the scatter plot above seem to have any outliers?
- Which boxplot above seem to have the most outliers?
- Which of the two boxplots above seems to have an outlier?
- Is the labeling in the above image of a box-plot accurate?
- Is the labeling in the above image of a box-plot accurate?
- What is the appropriate term for the labels in the diagram above?
- True or False\text{True or False}True or False === The box plot above clearly appears to have an outlier.
- True or False\text{True or False}True or False === There is no strict definition of how different a data point must be from the rest to be considered an outlier. A data point ma…
- True or False\text{True or False}True or False === The histogram above seems to have an outlier.
- The histogram above appears to have an outlier.
- True or False\text{True or False}True or False === You can't have more than 1 outlier in a data set.
- True or False\text{True or False}True or False === An outlier is the highest or lowest data point in the set.
- True or False\text{True or False}True or False === Outliers can greatly change the average of a data set if they are included.