Representing Data Flashcards
(10 cards)
1
Q
What is used for calculating upper fences
A
Q3 + k * IQR
OR
Q3 + k * standard deviation
where k is a constant from the question
2
Q
What is used for calculating lower fences
A
Q1 - k * IQR
OR
Q1 - k * standard deviation
3
Q
What is the expression to clean data
A
> > much greater than
«_space;much less than
4
Q
When plotting cumulative frequency graphs what boundary is plotted
A
plot upper boundary
5
Q
When plotting histograms what is the equation
A
FD * CW = F
6
Q
What data are scatter graphs used for
A
bivariate
7
Q
What is on the x axis for scatter graphs
A
independent variable
explanatory
8
Q
What is on the y axis for scatter graphs
A
dependent variable
response
9
Q
What is a regression line
A
line of best fit
10
Q
What is the only data set we record
A
y on x residual
ONLY vertical difference from LoBF
