______________________________________________________________________________ 3. Use a colon between independent clauses if the second clause summarizes or explains the first. A colon is used to introduce an idea that is an explanation or continuation of the one that comes before the colon. The colon can be considered as a gateway inviting the reader to go on. Look at these examples: Ben suddenly canceled his evening plans for a simple reason: his car was out of gas.
Measures of Center: Mean, Median, and Mode Measures of center generally tell us about the middle, or center, of a distribution. They are the mean, the median, and the mode. Each plays a useful role in Statistics. The Mean The mean, or arithmetic average, is calculated by adding all the data values and dividing by the number of values.
â¢ An average is a measure used to find the location of. the middle (central tendency) of a data set. â¢ Mean, median and mode are all types of averages. â¢ Often the word average refers to the mean.to calculate the mean. 1. Add up all the values. 2. Divide by the number of values. An average is a measure used to find the location of. the middle (central tendency) of a data set. â¢ Mean, median and mode are all types of averages. â¢ Often the word average refers to the mean.