SOLUTION: I just want to know if my answers are correct. State True or False a) A collection of all the objects to be studied is a sample F b) A subset or part of the subjects to be

Algebra ->  Probability-and-statistics -> SOLUTION: I just want to know if my answers are correct. State True or False a) A collection of all the objects to be studied is a sample F b) A subset or part of the subjects to be       Log On


   



Question 128009: I just want to know if my answers are correct.
State True or False
a) A collection of all the objects to be studied is a sample F
b) A subset or part of the subjects to be studied is a sample T
c) In a frequency distribution the class limits must overlap F
d) Pie charts are best used to plot numbers over a period of time F
e) A frequency distribution should have between 3 and 10 classes F

Answer by solver91311(24713) About Me  (Show Source):
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Answers a through d are absolutely correct. Answer e is open to interpretation, and depends on your instructor and/or your textbook. I've seen references that say 3 to 10 is the correct number of classes, but I've seen others that say 5 to 15. Ask your teacher.