At the downtown office of First National Bank, there are five tellers. Last week, the tellers made the following number of errors each: 4, 6, 7, 5, and 3.
(a) How many different samples of 2 tellers are possible without replacement?
Different samples
(b) List all possible samples of 2 observations each from left to right without replacement and compute the mean of each sample. (Round your Mean value answers to 1 decimal place.)
(c) Compute the mean of the sample means and compare it to the population mean. (Round your answers to 1 decimal places.)
The mean of the sample means is _________
The population mean is _________
Both means are __________