Algebra 1
Reporting Category: Functions and Statistics
Assessment 5
Name___________________
Date____________________
Answers
41.___C___
46.___D___
42.___A___
47.___C___
43.___C___
48.___B___
44.___D___
49.___B___
45.___A__
50.___C__
41.
A
B
C
D
Mean:
Mean:
Mean:
Mean:
45; standard deviation:
45; standard deviation:
45; standard deviation:
45; standard deviation:
3
36
9
18
42.
A
B
C
D
About 50% of the students scored between 60 and 70.
Only one student scored 100.
More students scored over 70 than below 60.
The mean score was 68.
Algebra 1
Reporting Category: Functions and Statistics
43.
Fifty students took a driving test. The scores were normally distributed with a mean score
of 60 points out of 100 and a standard deviation of 15 points. Joel scored 70 on his test.
What is the z-score for Joel’s driving test to two decimal places?
A z = 4.67
44.
Assessment 5
B z = 1.33
C z = 0.67
D z = 0.33
The box-and-whisker plots show the number of songs that were downloaded in a one week
period by female and male students at Bayview Middle School.
Female Students
Male Students


There were 12 female students.
There were 28 male students.
What is the total number of students that downloaded more than 8 songs?
A 9
45.
B 20
D 30
What is the domain of the function, g(x) = -x2?
A {all Reals}
46.
C 22
B
x : x  0
C
x : x  0
D
Which function does NOT have an x-intercept?
A
B
1
x7
2
1
y   x 5
3
y
C
y   x2  2 x  5
D
y  x2  2 x  5
 y : y  0
Algebra 1
Reporting Category: Functions and Statistics
Assessment 5
47.
48.
A
y = a(x + 2)(x – 8)
C
y = a(x – 2)(x + 8)
B
y = a(x + 2)(x + 8)
D
y = a(x – 2)(x – 8)
The data shown represents recent test scores on a math test. The data has a mean of
79.5 and a standard deviation of 14.5.
{52, 60, 68, 77, 81, 84, 89, 91, 95, 98}
How many of these test scores have a z-score between -0.8 and +0.4?
A 3
49.
B 4
C 6
D 8
Select all of the following functions have an x-intercept of -2 and a y-intercept of 6?
I.
f  x   x2  5 x  6
IV.
k  x   4 x2  11 x  6
II.
g  x    x  5 x  2 
V.
p  x  3x  6
III.
h x 
3
( x  2)
2
A
I and III
C
I, III, and IV
B
I and IV
D
I, IV, and V
Algebra 1
Reporting Category: Functions and Statistics
50.
Assessment 5
Michele kept a record of the number of hours she spent at the beach
and the total number of seashells she collected. The data is displayed
in the table.
Seashell Data
Number of hours, x
1 3
5
6
7
9
Number of seashells, y 4 11 16 19 22 28
Which function best describes the relationship between the number of
hours she spent at the beach and the number of seashells she collected?
A
f(x) = x + 3
B
f(x) = x2 + 2
C
f(x) = 3x + 1
D
f(x) = 4x