WorksheetsFunctions Families/Regression/Piecewise Mini-Review
Total questions: 15
Worksheet time: 15mins
Match each graph to the function type it represents
Sqaure Root
Exponential
Quadratic
Absolute Value
Cubic
Which regression type would give you an r and r2 value?
linear regression
quadratic regression
exponential regression
r2 is known as the (a)
r is known as the (b)
What's true about r and r2?
r2 measures (a)
r measures (b)
True
False, the domain is x ≥ 0
False, the domain is x ≤ 0
False, the domain is y ≥ 0
Even
Neither
Odd
Both
Even
Neither
Odd
Both
The r2 value of the quadratic regression of this table is ...
r2=0.9789
r2=0.9515
r2=0.9754
r2=0.9613
Calculate the correlation coefficient (round it correctly to THREE decimal places!), then interpret its meaning
r = -0.959
r = -0.958
r = 0.919
As the number of staff increases, the average time to fill orders decreases
As the number of staff increases, the average time to fill orders increases
True
False, the domain is x ≥ 0
False, the domain is x ≤ 0
False, the domain is y ≥ 0
f(-4) > 0
f(-2) = -1
f(0) = 1
There are two values for f(1)
f(-2) = -3
Which graph has a range of y ≥ 0
Find h(3)
Only type the number
(a)
