QMB 2 Final Exam - UCF Questions
With 100% Verified Answers
Definition of sample -
correct answer ✅a subset of the population
How do you find the z-score? -
correct answer ✅(x-mean)/standard deviation
What is the difference between discrete and continuous? -
correct answer ✅Discrete is finite (on a closed interval) and
continuous is infinite (on an open interval).
What is cross-sectional data? -
correct answer ✅Data that was collected at a similar point in time.
Mean formula - Excel -
correct answer ✅=AVERAGE
Correlation formula - Excel -
correct answer ✅=CORREL
What is a correlation coefficient? -
correct answer ✅A measure of the strength of the association of
two variables
, QMB 2 Final Exam - UCF Questions
With 100% Verified Answers
What is a histogram? -
correct answer ✅A visual display of frequency, relative frequency,
or percentage frequency distribution. The variable of interest is on
the horizontal axis and the frequency, relative frequency or
percentage frequency are on the vertical axis. Displays a
distribution of data.
What is a bar chart? -
correct answer ✅A visual display of frequency, relative frequency,
or percentage frequency. Shows data individually.
What would the x-value on a histogram show? -
correct answer ✅The scale of values that the measurements fall
under.
Which two things show the relationship between two variables? -
correct answer ✅correlation coefficient and covariance
What is the union of two events? -
correct answer ✅the event that contains all sample points
between event A, event B, or both.
With 100% Verified Answers
Definition of sample -
correct answer ✅a subset of the population
How do you find the z-score? -
correct answer ✅(x-mean)/standard deviation
What is the difference between discrete and continuous? -
correct answer ✅Discrete is finite (on a closed interval) and
continuous is infinite (on an open interval).
What is cross-sectional data? -
correct answer ✅Data that was collected at a similar point in time.
Mean formula - Excel -
correct answer ✅=AVERAGE
Correlation formula - Excel -
correct answer ✅=CORREL
What is a correlation coefficient? -
correct answer ✅A measure of the strength of the association of
two variables
, QMB 2 Final Exam - UCF Questions
With 100% Verified Answers
What is a histogram? -
correct answer ✅A visual display of frequency, relative frequency,
or percentage frequency distribution. The variable of interest is on
the horizontal axis and the frequency, relative frequency or
percentage frequency are on the vertical axis. Displays a
distribution of data.
What is a bar chart? -
correct answer ✅A visual display of frequency, relative frequency,
or percentage frequency. Shows data individually.
What would the x-value on a histogram show? -
correct answer ✅The scale of values that the measurements fall
under.
Which two things show the relationship between two variables? -
correct answer ✅correlation coefficient and covariance
What is the union of two events? -
correct answer ✅the event that contains all sample points
between event A, event B, or both.
