IEE 380 Exam 2 Questions With Correct Answers.

IEE 380 Exam 2 Questions With Correct
Answers

The |sample |mean |is |analogous |to |the |center |of |mass |in |mechanics. |- |CORRECT |ANSWER✔✔-
True



The |units |associated |with |the |sample |standard |deviation |are |the |squared |measurement |units |
of |the |original |sample. |- |CORRECT |ANSWER✔✔-False



If |the |sample |variance |is |calculated |from |a |sample |of |n |observations, |then |it |has |n |- |1 |degrees
|of |freedom. |- |CORRECT |ANSWER✔✔-True




The |median |of |a |sample |is |the |most |frequently |occurring |value |in |the |sample. |- |CORRECT |
ANSWER✔✔-False



Discrete |random |variables |take |on |values |across |a |continuum. |- |CORRECT |ANSWER✔✔-False



The |binomial |distribution |arises |from |a |series |of |Bernoulli |trials. |- |CORRECT |ANSWER✔✔-True



The |Poisson |distribution |is |widely |used |as |a |model |of |the |number |of |events |in |an |interval. |- |
CORRECT |ANSWER✔✔-True



The |probability |mass |function |of |a |discrete |random |variable |is |a |description |of |the |
probabilities |associated |with |each |possible |value |of |the |random |variable. |- |CORRECT |
ANSWER✔✔-True