MIS 301 Shin Concepts Exam 1 CH 1-7
questions well answered to pass(6)
Statistics - correct answer ✔✔is the
science of collecting,
organizing,
presenting,
analyzing, and
interpreting
numerical data to
assist in making
more effective
decisions.
the goal of statistics is - correct answer ✔✔to describe and make inferences
Population - correct answer ✔✔the total set of observations that can be made
Sample: - correct answer ✔✔a sub-set of all possible observations
Descriptive statistics - correct answer ✔✔describe, summarize and present data in an
informative way.
Inferential statistics - correct answer ✔✔estimate a property of a population on the basis
of a sample.
A variable - correct answer ✔✔An element, feature, or factor whose values can change depending on
the condition
, A random variable: - correct answer ✔✔When the values of a variable follows a certain probability
distribution, it is called a random variable.
Qualitative variable - correct answer ✔✔the characteristic being studied is nonnumeric.
Quantitative variable - correct answer ✔✔information is reported numerically.
Discrete variables: - correct answer ✔✔can only assume certain values and there are usually 'gaps'
between values.
think counted
Continuous variable - correct answer ✔✔can assume any value within a specified range.
think measured
Nominal level - correct answer ✔✔data classified into categories that cannot be arranged in any
particular order
Ex. eye color (black, brown, ......), religious affiliation
Ordinal level - correct answer ✔✔data arranged in some order, but the differences between data values
cannot be determined or are meaningless.
Ex. satisfaction level for a product (highly satisfied, satisfied,
unsatisfied)
Interval level - correct answer ✔✔similar to the ordinal level, but the differences between data values
are meaningful.
questions well answered to pass(6)
Statistics - correct answer ✔✔is the
science of collecting,
organizing,
presenting,
analyzing, and
interpreting
numerical data to
assist in making
more effective
decisions.
the goal of statistics is - correct answer ✔✔to describe and make inferences
Population - correct answer ✔✔the total set of observations that can be made
Sample: - correct answer ✔✔a sub-set of all possible observations
Descriptive statistics - correct answer ✔✔describe, summarize and present data in an
informative way.
Inferential statistics - correct answer ✔✔estimate a property of a population on the basis
of a sample.
A variable - correct answer ✔✔An element, feature, or factor whose values can change depending on
the condition
, A random variable: - correct answer ✔✔When the values of a variable follows a certain probability
distribution, it is called a random variable.
Qualitative variable - correct answer ✔✔the characteristic being studied is nonnumeric.
Quantitative variable - correct answer ✔✔information is reported numerically.
Discrete variables: - correct answer ✔✔can only assume certain values and there are usually 'gaps'
between values.
think counted
Continuous variable - correct answer ✔✔can assume any value within a specified range.
think measured
Nominal level - correct answer ✔✔data classified into categories that cannot be arranged in any
particular order
Ex. eye color (black, brown, ......), religious affiliation
Ordinal level - correct answer ✔✔data arranged in some order, but the differences between data values
cannot be determined or are meaningless.
Ex. satisfaction level for a product (highly satisfied, satisfied,
unsatisfied)
Interval level - correct answer ✔✔similar to the ordinal level, but the differences between data values
are meaningful.
