Q. Select the outlier in the data set.7,78,80,81,82,88,89,93,98
Identify data set: Identify the data set and understand what an outlier is.An outlier is a data point that is significantly different from the rest of the data. It can be much higher or much lower than the other values in the set.Data set: 7,78,80,81,82,88,89,93,98
Spot outlier: Look at the data set and try to spot the number that seems significantly different from the others.By inspection, we can see that the number 7 is much lower than all the other numbers in the data set.
Confirm outlier: Determine if the suspected outlier is indeed an outlier by comparing it to the rest of the data.The rest of the numbers are all close to each other and in the range of 78 to 98, while 7 is far away from this range. This suggests that 7 is an outlier.