Q. Select the outlier in the data set. 75,80,82,83,84,85,87,839
Identify Outlier: List the data set and observe the values to identify any number that appears to be significantly different from the others.Data set: 75,80,82,83,84,85,87,839Observation: The number 839 stands out as it is much larger than the rest of the numbers in the data set.
Calculate Statistics: Calculate the range, mean, and standard deviation of the data set if necessary to confirm the outlier. However, in this case, since 839 is significantly larger than all other values, it is clear that it is an outlier without further calculations.
Confirm Outlier: Confirm that 839 is the outlier by comparing it to the rest of the data set. All other numbers are within 10 units of each other, while 839 is more than 750 units away from the nearest number.