Question
Since the 1980s, Wal-Mart stores have appeared in almost
every community in America. Wal-Mart buys its goods in large quantities and, therefore, at cheaper prices. Wal-Mart also locates its stores where land prices are low, usually outside of the community business district. Many customers shop at Wal-Mart because of low prices. Local retailers, like the neighborhood drug store, often go out of business because they lose customers. This story demonstrates thatSolution
The reason behind is that there are economies of scale in retail sales. Because the large is the firm, the lower are average costs.
For the frequency distribution of income (in lakh) of the employees in factory
Class 1.5-2.5 �...
The probability of getting a total of 7 on two dice thrown together is:
For the variables X, Y and Z, rXY = 0.80, rXZ = 0.64, rY Z = 0.79 , then square of multiple correlation coefficient R2 X.Y Z is:
The first four moments of a distribution about the origin are -1.5,17,-30 and 108. The third moment about the mean is:
By the method of moving averages, the seasonal index for four quarters equals to:
The curve obtained by joining the points, whose x-coordinates are the upper limits of the class interval and y-coordinates are corresponding cumulative...
The variance of degenerate random variable is:
The Excess Kurtosis of the Geometric distribution with parameter p is:
Which of the following approaches does multiplicative model have for the component of Time series Secular trend (7). Seasonal variation (S), Cyclical f...
The prices (in ₹) of different yarns (per kg) in two consecutive years are as follows.
