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Authored by SAMUEL ASIBAH
Mathematics
11th Grade
CCSS covered
Used 1+ times
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25 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Describe the correlation in the graph shown.
A) Strong Negative
B) Strong Positive
C) Weak Negative
D) No Correlation
Tags
CCSS.HSS.ID.B.5
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Estimate the correlation coefficient for this scatterplot.
A) r = -0.9
B) r = 1
C) r = 0.9
D) r = -1
Tags
CCSS.HSS.ID.C.8
3.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Use your calculator to compute the least-squares regression line for the following data:
x: 3.9, 5.8, 4.8, 3.3, 1.8, 3.4, 3.2
y: 4.6, 4.1, 5.2, 4.5, 9.2, 5.6, 4.3
y = -0.97x+8.99
y = 0.97x-8.99
y = -62x+6443
= 62x-6443
Tags
CCSS.8.EE.C.8C
4.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
If x is temperature and y is coffee sales, use the following formula to determine the coffee sales on a 34° day.
y = -60x+6443
$4403
$4673
$8303
Tags
CCSS.HSF.LE.B.5
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Data was collected on the weight of a male laboratory rat for the first 25 weeks after its birth. The linear regression equation is
y= 40x+100, where x is number of weeks and y is weight in grams.
What does the y-intercept mean in context of the problem?
Tags
CCSS.HSF.LE.B.5
6.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
The linear regression equation is y = 61.93x - 1.79. According to the model, the slope can be interpreted as:
Tags
CCSS.HSF.LE.B.5
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
The linear regression equation is y = 61.93x - 1.79. Use the equation to predict how far this person will travel after 10 hours of driving.
Tags
CCSS.HSS.ID.C.7
CCSS.HSA.REI.D.10
CCSS.HSA.SSE.A.1
CCSS.HSF.IF.B.4
CCSS.HSF.IF.C.7
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