This clip introduces and defines the terms "mean," "median" and "mode."
This clip explains that the mean is the most common statistical measurement: the arithmetic average. "It is the sum of all the values, divided by the number of values in the data set," the clip states. The clip also incl..
This clip uses test scores to illustrate how the mean value can be determined and then utilized to set goals for future test results.
This clip explains that the median is the number in the middle of the data set when values are put in a numerically ordered sequence called an array. If the data set contains an outlier, the median may be a better statis..
This clip explains that the mode is the most frequently occurring value in a set of data. The clip goes on to state that a set of data can have more than one mode, and the mode isn't affected by outliers. "In fact, the m..
This clip reviews the essential points about "mean," "median" and "mode." It notes that the mean uses more information from the data set than the median or the mode, but can be influenced by outliers. The median tells us..
This clip explains that many real-life applications of statistics use very large data sets. "Since there are so many values," the clip states, " and some of the values appear more than once, we'll group the data in a ta..
This clip presents two examples showing how data can be skewed by advocates looking to make a particular point, simply by choosing to use (or not use) the mean, median or mode in analyzing a data set.
This clip presents problems involving the unit equivalence for weeks and days. In the first of these, the clip states that, " we are converting from 91 days to an equivalent number of weeks We will convert the units by..
This clip explains the basic units of time and unit equivalences, including seconds, minutes, hours, days, weeks, months, years, decades and centuries.