Question

• A manpower-development statistician is asked to determine whether the hourly wages of semiskilled workers are the same in two cities. Suppose the company wants to test the hypothesis at the 0.05 level that there is no difference between hourly wages for semiskilled workers in the two cities: City Mean Hourly Earnings from Sample Standard Deviation Size of Sample of Sample Delhi 50 5 200 Mumbai 75 7. 175​

Answer 1

Fertilizers play an important role for soil health: they supplement the natural supply of soil nutrients, build up soil fertility in order to satisfy the demand of crops with a high yield potential and compensate for the nutrients taken by harvested products or lost by unavoidable leakages to the environment, in order ...