Question 12 pts The increase in the values of cancer cases among smokers is associated with a decrease in the number of years the patient has been smoking. This illustrates? Group of answer choices (I: No correlat between the variablesion 1'", positive correlation between the varibles (0 None of the choices given 1'". some negative correlation between the two variables Question 22 pts Which of the following is NOT true about a dummy activity used in network analysis? Group of answer choices ('f It does not take time (f. It is used to ensure logic in connecting activities ('1 It has to be completed in time for the total project time not to extend beyond sfhedule C. It uses no resources Question 32 pts A strategy that is best regardless of what rival players do is called Group of answer choices C a dominant strategy. f" saddle point r: Nash equilibrium strategy. ('1 tit-for-tat Question 42 pts One disadvantage of using NorthWest Comer Rule to nd initial solution to the transportation problem is that Group of answer choices 1", it does not take into account cost of transportation t". it is complicated to use 1'". it leads to degenerate initial solution r. all of the choices given Question 52 pts Which of the following is always true? As a measure of central tenancy, the arithmetic mean: Group of answer choices ('7 should not be used when the data set contains extreme values (0 is always superior to mode and median r: is generally a misleading measure of central tendency r; is preferred to median or mode except when all the three are equal Question 62 pts While calculating the mean absolute deviation (MAD), the actual signs are ignored. This may have signicant negative effect on a real business situation. True or False Group of answer choices ('7: True C. False Question 72 pts The standard deviation of the distribution of sample means is referred to as? Group of answer choices c. sampling error of the mean c. The standard error of the sample C". The standard deviation of the sample 1'". The standard error of the mean Question 82 pts Joining a queue and then leaving after some time before being served is called Group of answer choices (- Refusing (j, Rejecting ('7, Reneging (f: Balking Question 92 pts Market share of a company is an example of a ............. Group of answer choices ('7: Ratio scale C. ordinal scale C, interval scale 1". nominal scale Question 102 pts The critical path Group of answer choices P, Is the shortest path ('1 Is a mixture of all paths. ('2 Is a path that operates from the starting node to the end node ('1 s the longest path Question 112 pts The Eaitiest Start Time for an activity under CPM is? Group of answer choices (3. The earliest point in time it should start alter considering the succeeding activities ('5: The earliest point in time it should start to ensure project is completed in time C The earlist point in time it can start affter considering all the preceding activities C None of the choices given Question 122 pts The best measure of relative dispersion is? Group of answer choices Coefficient of correlation O Variance Coefficient of variation Standard deviation Question 132 pts Which statement characterizes standard form of a linear programming problem? Group of answer choices Constraints are given only by inequalities of >= type O Constraints are given only by inequalities of = type i", Constraints are given only by inequalities of