Home for sale at 375 S Main St, Pascoag, RI 02859. Place a bid, view photos and more on this 4 bed(s), 1 bath(s), 1,260 Sq. Ft. Single Family property
Mean. The mean of an observation variable is a numerical measure of the central location of the data values. It is the sum of its data values divided by data count. Hence, for a data sample of size n, its sample mean is defined as follows: Similarly, for a data population of size N, the population mean is:
SELECT == It orders the computer to include or select each content from the database name(table ) . (*) == means all {till here code means include all from the database.} FROM == It refers from where we have to select the data. example_table == This is the name of the database from where we have to select data. the overall meaning is : include all data from the databse whose name is example_table. thanks.