and answers correctly solved
2025/2026
Trend - correct answer ✔is a general direction in which something is developing or changing
ANOVA (analysis of variance) - correct answer ✔verifies if multiple populations of data are the same or
at least one is different than the others.
Cyclicality - correct answer ✔describes results that go up and down periodically, but don't necessarily
follow the calendar
Homeoscedasticity - correct answer ✔assumes that the variance of a dependent variable is consistent
across the range of values
Median - correct answer ✔is the midpoint value of a group of measurements
Statistical population - correct answer ✔is a group of observations that have something in common
Mean - correct answer ✔is the average of a group of measurements
Heteroscedasticity - correct answer ✔is the assumption that the variance of a dependent variable
changes across the range of values
Dependent Variable (DV) - correct answer ✔is calculated from the value of the other variables in an
equation
, Irregularity - correct answer ✔occurs when there is a one-time unusual measurement in a process
Seasonality - correct answer ✔describes variability in a process that occurs at the same time of year
each year
Autocorrelation - correct answer ✔describes events whose probability of occurring depends upon the
events that occurred previously
Random variation - correct answer ✔describes the variability that occurs in events for which we have
no explanation
Independent Variable (IV) - correct answer ✔is a variable in an equation to which we can assign a
specific value
Outlier - correct answer ✔is a measurement that is very different than other measurements of similar
events
Mode - correct answer ✔is the most common measurement of a group of events
True - correct answer ✔Linear Programming finds a maximum or minimum solutions in a situation that
has various constraints
True - correct answer ✔If we are analyzing which among three equipment options for a new office
would be the best choice, we might use Crossover Analysis
False - correct answer ✔In a Crossover Analysis considering three options, every crossover point is
essential to our analysis
False - correct answer ✔Break-even Analysis requires only fixed and variable cost information