Interquartile Range or IQR is a measure of variability and helps determine the spread of the data.

If our data set is skewed to the right or left we would measure the center by calculating the...

If we use the mean to measure the typical value or center of the data, we would use the _________ to measure the variability.

A five number summary includes the minimum, maximum, median, ________ and ___________

Pick the definition of an outlier.

If outliers are removed, what changes more significantly the mean or median?

True or False: the mean and median values of shoe sizes shown in the dot plot for Group B are almost the same.

In a population of five university students with GPAs of 2.5, 2.3, 1.7, 1.4, and 1.1, a sample of three students are considered. What would be the standard deviation of the resulting sampling distribution?

On a recent test, a statistics professor finds that the mean and median scores are nearly equal. Which of the following could be the distribution of test scores?

Which restaurant has a greater IQR?

Which club has the smaller spread, less variation?

The mean of this data set is 17.8. What would happen to the mean if 40 was added to the data set?

Identify the outlier for the given data, using the formula.

23, 34, 27, 7, 30, 26, 28, 31, 34

If we use the median to measure the typical value or center of the data, we would use the _________ to measure the variability.