It means that it is an incorrect statement. Vectors can be negative.
Chat with our AI personalities
IN statistics yes there is a negative mean. Mean is the average of multiple numbers. Negative is opposite of positive.
Yes, the mean can be negative if the numbers being averaged are negative. For example, if you are averaging temperatures and all of the temperatures are below zero, your average temperature will be a negative number.
Of course it is! If the mean of a set of data is negative, then the coefficient of variation will be negative.
It can have either a negative or positive trend
It means that it is less than the mean.