WorksheetsAlgebra II Review: Statistics (AII.9-12)
Total questions: 10
Worksheet time: 25mins
Name
Class
Date
1.
The time it takes to travel a given distance varies inversely as the average rate of travel. Averaging 60 miles per hour, it takes Jerri 5 hours to drive to Philadelphia. If it took her 4 hours and 9 minutes to reach Philadelphia on her last trip, what was her average rate of travel?
a)
61.2 mph
b)
77.7 mph
c)
82.5 mph
d)
72.3 mph
2.
Hooke’s law states that the force required to stretch a spring varies directly with the distance the spring is stretched. If a 30-pound force stretches a spring 5 inches, what force is required to stretch 8 inches?
a)
28 pounds
b)
38 pounds
c)
48 pounds
d)
50 pounds
3.
The volume (V) of a sphere varies directly with the cube of its radius (r). If k is the constant of proportionality, which is the formula
for this relationship?
for this relationship?
a)
V = kr
b)
V = kr3
c)
V = k/r3
d)
r = kV3
4.
Find the quadratic equation for the relationship of the horizontal distance and the height of the ball.
a)
-18x2 + 2.11x + 4.21
b)
-.06x2 +1.06x + 7.9
c)
-6x2 +1.06x + 79
d)
-.12x2 + 2.11x + 4.22
5.
What would the equation be that best fits this data?:
{(-15, 53.5), (-14, 28), (-3, 18), (0, 4), (6, 27), (14, 50)}
a)
y = .17x2+.45x+12.43
b)
y = .16x2+.45x+12.42
c)
y = -.04x + 30
d)
y = -.03x + 30
6.
Adam's Z-score on a test is +2.5. What does this mean?
a)
He'd better start studying.
b)
He did better than EVERYONE.
c)
He scored 2.5 standard deviations above the average.
d)
He did terrible.
7.
In a survey of men in the United States (ages 20-29), the mean height was 69.6 inches with a standard deviation of 3.0 inches. Find the minimum height in the top 22%.
a)
69.37 in
b)
67.58 in
c)
73.12 in
8.
How many ways can a club select a president, vice president, and a secretary from a group of 5 people?
a)
12
b)
60
c)
15
9.
A team of 17 volleyball players needs to choose three players to refill the water cooler. How many different ways can the players be chosen?
a)
3360
b)
560
c)
4080
d)
680
10.
How many ways can you arrange 2 letters from the word
S Q U A R E?
S Q U A R E?
a)
30
b)
140
c)
320
d)
45
100 %
