Considering a sample of observations, which of the following is most likely to occur if a large outlier (i.e. extreme observation) replaces the current max observation:

a.Mean, variance and standard deviation increase, and the median and mode remain unchanged

b.Variance and standard deviation increase, and the mean, median and remain unchanged

c.Mean, median and mode increase, and the variance and standard deviation remain unchanged

d.The range of observations increases, and the mean, median, mode, variance and standard deviation remain unchanged.