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Can the sum of squared deviation have a value of less than zero?
No. The square of a number is always positive, so the sum of several of them must also be positive.
In any distribution is the sum of the squared deviations from the mean always equal to zero?
No. It cannot be. Remember that when you square a negative number it becomes a positive number. Thus all squared deviations are positive and their sum must be positive.
Example for Quantity must be positive integer?
So there are two things we need. One, the number must be an integer, and two the number must be positive.Here are some examples.If you number the questions on a test, they will be positive integers/If you look at the number of people who read the answer to this question it must be a positive integer. I already read it so it can't be 0The number of people in the world is a positive integer.
Can a natural and a whole number be negative?
no a natural number must be positive
Is there a general rule that you must always follow when multiplying or dividing an inequality by a negative value?
positive and positive are positive positive and negative are negative negative and negative is positive
