Identify patterns the product of four numbers, a, b, c, and d, is a
negative number. the table shows one combination of positive and
negative signs of the four numbers that could produce a negative
product. complete the table to show the seven other possible
combinations.

The median of a data set is the measure of center that is found by adding the data values and dividing the total by the number of data values that is the value that occurs with the greatest frequency that is the value midway between the maximum and minimum values in the original data set that is the middle value when the original data values are arranged in order of increasing (or decreasing) magnitude