1.Calculate the arithmatic mean of first in natural number. 2.What is the major assumption for computing a man for a grouped data set

3.What is the geometric mean of a date set, where an observation of the data set equals to Zero.

4.What is the Geometric mean of a data set, where one observation is negative.

Trade will take place: a. if the maximum that a consumer is willing and able to pay is less than the minimum price the producer is willing and able to accept for a good. b. if the maximum that a consumer is willing and able to pay is greater than the minimum price the producer is willing and able to accept for a good. c. only if the maximum that a consumer is willing and able to pay is equal to the minimum price the producer is willing and able to accept for a good. d. none of the above.