WGU C784 STATISTICS FOR
HEALTHCARE EXAM QUESTIONS
WITH COMPLETE SOLUTIONS
2025/2026
F to C - ANSWERS(F-32)/1.8
C to F - ANSWERS1.8C + 32
< or > - ANSWERSgraph with open circle
≤ or ≥ - ANSWERSgraph with closed circle
inequalities: flip the sign - ANSWERSif multiplying or dividing by a negative
outliers are - ANSWERS< Q1 - 1.5IQR
> Q3 + 1.5IQR
what percent of data are w/in 1 sd? - ANSWERS68%
what percent of data are w/in 2 sd? - ANSWERS95%
what percent of data are within 3 sd? - ANSWERS99.7%
single variable categorical data use - ANSWERSpie chart, bar chart
single variable quantitative data use - ANSWERSdot plot, stem plot, box plot, histogram
Q to Q data - ANSWERSdisplay: scatterplot
numerical: correlation coefficient
if data are positively skewed how are mean, median and mode affected? -
ANSWERSmode < median < mean
Integers - ANSWERSa number, positive, negative or zero, that has no fractional or
decimal component
whole numbers - ANSWERS0,1,2,3,4...
HEALTHCARE EXAM QUESTIONS
WITH COMPLETE SOLUTIONS
2025/2026
F to C - ANSWERS(F-32)/1.8
C to F - ANSWERS1.8C + 32
< or > - ANSWERSgraph with open circle
≤ or ≥ - ANSWERSgraph with closed circle
inequalities: flip the sign - ANSWERSif multiplying or dividing by a negative
outliers are - ANSWERS< Q1 - 1.5IQR
> Q3 + 1.5IQR
what percent of data are w/in 1 sd? - ANSWERS68%
what percent of data are w/in 2 sd? - ANSWERS95%
what percent of data are within 3 sd? - ANSWERS99.7%
single variable categorical data use - ANSWERSpie chart, bar chart
single variable quantitative data use - ANSWERSdot plot, stem plot, box plot, histogram
Q to Q data - ANSWERSdisplay: scatterplot
numerical: correlation coefficient
if data are positively skewed how are mean, median and mode affected? -
ANSWERSmode < median < mean
Integers - ANSWERSa number, positive, negative or zero, that has no fractional or
decimal component
whole numbers - ANSWERS0,1,2,3,4...
