Algebra I Practice with Outliers MathBitaNotebook.com e Can Doten Practice Page Directions: These quetiona deal wh outliers 1. Given data set: -3, 5, 10, 12, 14, 18, 24, 26, 49, 60 Which of the following statements is true regarding this data? Choose: O The value -3 is the only outlier. O The value 60 is the only outlier. O No outliers exist. O Multiple outliers exist. 2. The following temperatures were recorded (in F") each day for two weeks. 82, 72, 83, 75, 80, 78, 82, 73, 60, 79, 80, 78, 83, 81 ka) What is the outlier in this data, if one exists? Choose: O 84 O 83 O 60 O no outliers kb) What is the mean for this set of data? o 75 Choose: O 77.6 O 78.9 o 79.5 kc) What is the mean for this set of data, if the outlier is removed? Choose: o 75 o 7.6 O 77.6 o 78.9 O 79.5 kd) Which of the box plots gives the best representation of this data set? Choose: o Box A O Box B o Both give the same information. Box B O Neither represent this data. Box A . Mandcom 50 60 70 80 3. The data set shown below has an outlier. Determine the outlier and then answer the questions as to what happens to the median, mean, mode. range and standard deviation when the outlier is removed. Data: 29, 19, 35, 27, 21, 48, 23, 12, 24, 26, 20, 28, 30, 22, 19, 32, 22 If the outlier is excluded, what happens to: Increase Decrease No effect the median? the mean? the mode? the range? the standard deviation? 4. Which measure of central tendency is most affected by outliers?

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