You can use any software (SPSS, R, Excel,...) in your answerAssume the daily received calls are (X: 3,8,4,8,6,4,5,2,6,4).a) compute sample meanb) compute sample Autocorrelation for lags (0,1,2,3,4 and 5)c) compute sample Autocovariance for lags (0,1,2,3,4 and 5)