The mean of a dataset is simply the average value of the dataset.
The text that completes the statement is "sample mean"
From the question, we understand that:
The above statements point to the sample mean;
This is because:
Hence, the complete sentence is:
Sample mean infers how well your sample of data represents the total population of data and the ""true"" population mean.
Read more about sample mean and population mean at:
https://brainly.com/question/15662511