Statistics Chapter 1-4, Exam 1 |
Questions And Answers | Latest Exam
2026-2027 | 100% Guaranteed Pass
Statistics -ANSWER is the science of collecting, organizing, summarizing, and analyzing
information
Data describes... -ANSWER describes characteristics of an individual
Data -ANSWER is a fact or proposition to draw a conclusion/ make a decison
Descriptive statistics -ANSWER describes data through numerical summaries, tables and
graphs
A statistic is a ... -ANSWER numerical summary based on a sample
Inferential statistic -ANSWER use methods that take results from a sample, extends them
to the population, and measures the reliability of the result
The process of Stats (4) -ANSWER 1. identify research/ objective
2. collect data
3. describe data
4. perform inference
Population -ANSWER the entire group of individuals to be studied
Individual -ANSWER the person or object that is a member of the population being studied
Sample -ANSWER the subset of the population that is being tested
Parameter -ANSWER a numerical summary of a population (information from entire
group)
Statistic -ANSWER a numerical study of a sample (information from the subgroup)
Variables -ANSWER the characteristics of the individuals within the population (can vary)
Qualitative variables -ANSWER allow for classification of individuals based on some
attribute or characteristic
Example of qualitative -ANSWER phone number, jersey numbers
Quantitative variable -ANSWER provide numerical measures of individuals
, ex/ height, shoe size, number of children, high school class rank, weight
Types of quantitative variables -ANSWER discrete and continuous variable
ex/number of children, high school class rank, weight
Discrete variable -ANSWER a variable that has a countable number of possible values.
Such as 0, 1, 2, 3..
ex/ number of children, high school class rank
Continuous variable -ANSWER variable that can be measured to any desire level of
accuracy
ex/ household income in the previous year, weight
The list of observations a variable assumes is called _________ -ANSWER data
Nominal level of measurement -ANSWER naming scheme. Does not allow values to be
ranked in a specific order
Ordinal level of measurement -ANSWER has properties of the nominal leavel of
measurement but can be ranked in specific order
Interval level of measurement -ANSWER Differences in the values of the variable have
meaning.
A value of zero does NOT mean the absence of the quantity.
Addition and subtraction can be performed.
Ratio level of measurement -ANSWER Ratio of the values have meaning.
A value of zero means the absence of the quantity.
Multiplication and division can be performed.
Time of day, temperature, dates and years are examples of ... (nominal, ordinal,
interval, ratio) -ANSWER interval level measurement
Time, getting 0 hours of sleep, commute time are examples of... (nominal, ordinal,
interval, ratio) -ANSWER ratio level of measurement
Are date of birth and body temperature are examples of interval, ratio, nominal or
ordinal measurements? -ANSWER Interval level of measurements
Questions And Answers | Latest Exam
2026-2027 | 100% Guaranteed Pass
Statistics -ANSWER is the science of collecting, organizing, summarizing, and analyzing
information
Data describes... -ANSWER describes characteristics of an individual
Data -ANSWER is a fact or proposition to draw a conclusion/ make a decison
Descriptive statistics -ANSWER describes data through numerical summaries, tables and
graphs
A statistic is a ... -ANSWER numerical summary based on a sample
Inferential statistic -ANSWER use methods that take results from a sample, extends them
to the population, and measures the reliability of the result
The process of Stats (4) -ANSWER 1. identify research/ objective
2. collect data
3. describe data
4. perform inference
Population -ANSWER the entire group of individuals to be studied
Individual -ANSWER the person or object that is a member of the population being studied
Sample -ANSWER the subset of the population that is being tested
Parameter -ANSWER a numerical summary of a population (information from entire
group)
Statistic -ANSWER a numerical study of a sample (information from the subgroup)
Variables -ANSWER the characteristics of the individuals within the population (can vary)
Qualitative variables -ANSWER allow for classification of individuals based on some
attribute or characteristic
Example of qualitative -ANSWER phone number, jersey numbers
Quantitative variable -ANSWER provide numerical measures of individuals
, ex/ height, shoe size, number of children, high school class rank, weight
Types of quantitative variables -ANSWER discrete and continuous variable
ex/number of children, high school class rank, weight
Discrete variable -ANSWER a variable that has a countable number of possible values.
Such as 0, 1, 2, 3..
ex/ number of children, high school class rank
Continuous variable -ANSWER variable that can be measured to any desire level of
accuracy
ex/ household income in the previous year, weight
The list of observations a variable assumes is called _________ -ANSWER data
Nominal level of measurement -ANSWER naming scheme. Does not allow values to be
ranked in a specific order
Ordinal level of measurement -ANSWER has properties of the nominal leavel of
measurement but can be ranked in specific order
Interval level of measurement -ANSWER Differences in the values of the variable have
meaning.
A value of zero does NOT mean the absence of the quantity.
Addition and subtraction can be performed.
Ratio level of measurement -ANSWER Ratio of the values have meaning.
A value of zero means the absence of the quantity.
Multiplication and division can be performed.
Time of day, temperature, dates and years are examples of ... (nominal, ordinal,
interval, ratio) -ANSWER interval level measurement
Time, getting 0 hours of sleep, commute time are examples of... (nominal, ordinal,
interval, ratio) -ANSWER ratio level of measurement
Are date of birth and body temperature are examples of interval, ratio, nominal or
ordinal measurements? -ANSWER Interval level of measurements
