Qmb Stacey Brook Exam Questions And
Answers
Dataset -
correct answer ✅all the data collected for a particular analysis
Data -
correct answer ✅The facts & figures collected, analyzed, and
summarized for presentation and interpretation.
Element -
correct answer ✅The entity on which data is collected.
Variable -
correct answer ✅a characteristic of interest of an element.
Observation -
correct answer ✅The variables associated with an individual
element.
Categorical Data -
correct answer ✅Use numeric or ordinal values of measurement
of categories.
,Qmb Stacey Brook Exam Questions And
Answers
Quantitative Data -
correct answer ✅use numeric (quantitative) measures
Cross-sectional Data -
correct answer ✅data collected at a similar point in
time.
Time Series -
correct answer ✅data collected over several time periods.
Panel Data -
correct answer ✅combination of cross-sectional and time series
data.
Descriptive Statistics -
correct answer ✅Describes data or variables
Population -
correct answer ✅Is the set of all data/variables of a statistical
analysis.
,Qmb Stacey Brook Exam Questions And
Answers
Sample -
correct answer ✅is a subset of the population
Statistical Inference: -
correct answer ✅Uses data from a sample to make estimates and
test hypothesis about the characteristics of a population.
What does row 1 usually contain in Excel? -
correct answer ✅Typically row 1 contains the variable's names.
What does Column A usually contain in Excel? -
correct answer ✅Column A contains the elements; and the rest of
the
worksheet contains the data in the dataset.
How do you calculate the mean in excel? -
correct answer ✅=Average
How do you calculate the median in excel? -
correct answer ✅=median
, Qmb Stacey Brook Exam Questions And
Answers
What is data analytics? -
correct answer ✅Analytics is the scientific process of transforming
data
for decision making. There are three broad areas of
data analytics.
Descriptive Analytics -
correct answer ✅describe what hashappened in the past.
Predictive Analytics -
correct answer ✅uses statistical models from
past data to predict the future [forecasting] or access
the impact of one variable on another [inference].
Prescriptive Analytics -
correct answer ✅uses models seeking to find a best (optimal)
solution. Often these are sometype of optimization model.
The difference between data and big data are -
correct answer ✅We will use data (not big data)
Answers
Dataset -
correct answer ✅all the data collected for a particular analysis
Data -
correct answer ✅The facts & figures collected, analyzed, and
summarized for presentation and interpretation.
Element -
correct answer ✅The entity on which data is collected.
Variable -
correct answer ✅a characteristic of interest of an element.
Observation -
correct answer ✅The variables associated with an individual
element.
Categorical Data -
correct answer ✅Use numeric or ordinal values of measurement
of categories.
,Qmb Stacey Brook Exam Questions And
Answers
Quantitative Data -
correct answer ✅use numeric (quantitative) measures
Cross-sectional Data -
correct answer ✅data collected at a similar point in
time.
Time Series -
correct answer ✅data collected over several time periods.
Panel Data -
correct answer ✅combination of cross-sectional and time series
data.
Descriptive Statistics -
correct answer ✅Describes data or variables
Population -
correct answer ✅Is the set of all data/variables of a statistical
analysis.
,Qmb Stacey Brook Exam Questions And
Answers
Sample -
correct answer ✅is a subset of the population
Statistical Inference: -
correct answer ✅Uses data from a sample to make estimates and
test hypothesis about the characteristics of a population.
What does row 1 usually contain in Excel? -
correct answer ✅Typically row 1 contains the variable's names.
What does Column A usually contain in Excel? -
correct answer ✅Column A contains the elements; and the rest of
the
worksheet contains the data in the dataset.
How do you calculate the mean in excel? -
correct answer ✅=Average
How do you calculate the median in excel? -
correct answer ✅=median
, Qmb Stacey Brook Exam Questions And
Answers
What is data analytics? -
correct answer ✅Analytics is the scientific process of transforming
data
for decision making. There are three broad areas of
data analytics.
Descriptive Analytics -
correct answer ✅describe what hashappened in the past.
Predictive Analytics -
correct answer ✅uses statistical models from
past data to predict the future [forecasting] or access
the impact of one variable on another [inference].
Prescriptive Analytics -
correct answer ✅uses models seeking to find a best (optimal)
solution. Often these are sometype of optimization model.
The difference between data and big data are -
correct answer ✅We will use data (not big data)
