Statistics Chapter 1, 2, 3, 4 Exam Correctly Solved

Statistics Chapter 1, 2, 3, 4 Exam Correctly
Solved
Probability - ✅✅ ______ that an event will occur is the relative frequency with
which that event can be expected to occur

P - ✅✅ theoretical probability

P' - ✅✅ empirical probability

Sample Space - ✅✅ the set of all possible outcomes of an experiment

Sample Points - ✅✅ the individual outcomes in a sample space

Event - ✅✅ any subset of a sample space

A Complement - ✅✅ the set of all sample points in the sample space that do not
belong to A

Compound Event - ✅✅ any event made up of two or more sample events

P(A or B) - ✅✅ probability that either A or B occurs

Mutually Exclusive - ✅✅ events cannot happen at the same time

General Addition Rule - ✅✅ P(A or B) = P(A) + P(B) - P(A and B)
Population - ✅✅ the entire collection of individuals or objects about which
information is desired. May be considered to be finite or infinite

Census - ✅✅ a collection of data from every member of the population

Sample - ✅✅ a sub-collection or subset of a population selected for study

Parameter - ✅✅ a numerical characteristic of a population

Statistic - ✅✅ a numerical characteristic of a sample