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In this lesson, we will learn how to find the outliers of a data set and determine a value that is far from the other values in the set.

Q1:

Determine the outlier of the following data: 16, 16, 15, 18, 15, 15, 56.

Q2:

Find all possible outliers for the following set of data: 108, 31, 75, 87, 79, 88, 89, 118, 51, 89, 174, 95, 51, 70, and 73.

Q3:

Find all the outliers, if there are any, in the following set of data: 31.9, 44.2, 31.3, 48.7, 23.4, 35.5, 34.5, 26.5, 41.6, 9.5, 60.2, 52.9, 46.1, 41.8, 51.3.

Q4:

Which of the following sets of data has an interquartile range of 7 and two outliers?

Q5:

The numbers of matches won by 12 teams in the national league are 11, 5, 6, 6, 9, 10, 19, 14, 11, 9, 9, and 6. Is it true or false that 19 is an outlier of the data?

Q6:

The bar graph shows the prices of six different kitchen gadgets. Identify the outlier, and then find the mean of the data if the outlier is not included.

Q7:

Are the goals scored by the outlier more or fewer than the combined goals of Fares and Ramy?

Q8:

The table shows the heights of the tallest buildings in a city. Find, if there are any, the outliers of the data.

Q9:

The bar graph shows the prices of six different jackets. Which price is an outlier?

Q10:

Which of the statements is correct for the distribution represented by the diagram?

Q11:

The table shows the number of speakers of some non-English languages in the US. Identify all possible outliers.

Q12:

Determine the outlier of the following data: 10, 17, 9, 15, 11, 68, 7.

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