Name: ________________________ Class: ___________________ Date: __________
ID: A
Chapter 3 Review Packet
Multiple Choice
Identify the choice that best completes the statement or answers the question.
____
1. Make a line graph for the data in the table.
Month
Overcast Days
Jan
8
Feb
13
Mar
21
Apr
17
May
16
a.
____
b.
2. Angela’s average for six math tests is 87. On her first four tests she had scores of 93, 87, 82, and 86. On her
last test, she scored 4 points lower than she did on her fifth test. What scores did Angela receive on her fifth
and sixth tests?
a. fifth test = 85; sixth test = 89
c. fifth test = 90; sixth test = 86
b. fifth test = 85; sixth test = 81
d. fifth test = 89; sixth test = 85
1
Name: ________________________
____
ID: A
3. Make a stem-and-leaf plot for the data set.
56, 113, 89, 85, 96, 104, 65, 67, 72, 88, 97
a.
5
6
5
6
6
5
6
5
7
2
7
2
8
5
8
8
5
9
9
6
7
9
6
7
1
04
10
4
1
13
11
3
7
9
c.
Key: 8 | 9 means 89
b.
5
6
6
5
7
2
8
5
8
9
6
1
1
6
8
Key: 8 | 9 means 89
5
6
6
5
7
2
8
5
8
7
9
6
7
0
4
10
4
1
3
11
3
7
9
7
d.
Key: 8 | 9 means 89
7
9
Key: 8 | 9 means 89
2
Name: ________________________
____
ID: A
4. A back-to-back stem-and-leaf plot showing the scores of fifteen students on two history tests is shown below.
a.
b.
List all of the test scores for both tests.
What is the median score for each test?
a.
Test 1: 89, 88, 86, 82, 77, 76, 74, 75, 71, 71, 70, 69, 69, 54, 53;
Test 2: 51, 52, 62, 63, 66, 68, 69, 71, 73, 74, 75, 75, 77, 77, 80;
Median for Test 1: 74;
Median for Test 2: 69
Test 1: 89, 88, 86, 82, 77, 76, 74, 71, 71, 70, 74, 69, 63, 54, 53;
Test 2: 50, 52, 63, 63, 66, 68, 69, 71, 73, 74, 75, 75, 77, 77, 77;
Median for Test 1: 71;
Median for Test 2: 73
Test 1: 89, 88, 86, 82, 77, 76, 74, 75, 71, 71, 70, 69, 63, 54, 53;
Test 2: 50, 52, 62, 63, 66, 68, 69, 71, 73, 74, 75, 75, 77, 77, 80;
Median for Test 1: 75;
Median for Test 2: 71
Test 1: 89, 88, 86, 86, 77, 76, 74, 71, 71, 70, 74, 69, 63, 54, 53;
Test 2: 50, 52, 62, 62, 66, 68, 69, 71, 73, 74, 75, 75, 77, 77, 80;
Median for Test 1: 71;
Median for Test 2: 79
b.
c.
d.
3
Name: ________________________
____
ID: A
5. The frequency table shows the rainfall amounts over a three-month period in Carlsville.
Rainfall in inches
0.0 − 0.2
0.3 − 0.5
0.6 − 0.8
0.9 − 1.1
1.2 +
Number of Days
32
20
14
8
8
Which of the following histograms accurately represents this data?
c.
a.
b.
d.
Short Answer
6. Bob and Nancy recorded their last ten rounds of golf scores in the stem-and-leaf plot below. Use measures of
central tendency to justify your answers.
a. Who is the better golfer? (A player with a lower score beats a player with a higher score.)
b. Is one golfer more consistent than the other? Explain.
Nancy Stem
9 8 7
7
8 6 5 5 2
8
1 0
9
Bob
5 9
3 3 3 8 9
0 3 7
7 5 = 75
4
Name: ________________________
ID: A
7.
The table above shows the percent of households that own a color television set in a variety of countries.
a. Make a stem-and-leaf plot to display this set of data.
b. Explain how you selected your stems and leaves.
Use the data from the table to make a histogram.
8.
Retirement Ages of Police Detectives
Age
Tally
Frequency
50–52
2
5
53–55
56–58
6
59–61
4
62–64
6
65–67
7
Other
9. Make a line graph of this data. Which two-year period had the greatest increase?
5
ID: A
Chapter 3 Review Packet
Answer Section
MULTIPLE CHOICE
1. ANS:
TOP:
2. ANS:
TOP:
KEY:
3. ANS:
OBJ:
TOP:
4. ANS:
OBJ:
TOP:
5. ANS:
OBJ:
TOP:
B
PTS: 1
DIF: Adapted
OBJ: 3.4 Graphing Related Quantities
Investigation 3A: Introduction to Coordinates
KEY: line graph
D
PTS: 1
DIF: On-Level
OBJ: 3.6 Mean, Median, and Mode
Investigation 3B: Statistical Data
mean-median-mode | measures of central tendency | problem solving | word problem | outlier
D
PTS: 1
DIF: On-Level
3.7 Data Displays-Histograms and Stem-and-Leaf Displays
Investigation 3B: Statistical Data
KEY: stem-and-leaf plot
C
PTS: 1
DIF: On-Level
3.7 Data Displays-Histograms and Stem-and-Leaf Displays
Investigation 3B: Statistical Data
KEY: stem-and-leaf plot | median | multi-part question
A
PTS: 1
DIF: On-Level
3.7 Data Displays-Histograms and Stem-and-Leaf Displays
Investigation 3B: Statistical Data
KEY: histogram
SHORT ANSWER
6. ANS:
a. Nancy; the mean of her scores is 84.1, and the mean of Bob’s scores is 86. Nancy’s median score is 85.
Bob’s median score is 85.5.
b. Nancy; the range of her scores is 14, and the range of Bob’s scores is 22.
PTS: 1
DIF: On-Level
OBJ: 3.6 Mean, Median, and Mode
TOP: Investigation 3B: Statistical Data
KEY: mean-median-mode | range | measures of central tendency | stem-and-leaf plot | data analysis |
multi-part question
7. ANS:
a. 10 0
9 1 2 3 4 5 7 7
8 8 8
6 4 9
Key: 8 | 8 means 88%
b.
The stems show the tens place and the leaves show the ones place.
PTS: 1
DIF: On-Level
OBJ: 3.7 Data Displays-Histograms and Stem-and-Leaf Displays
TOP: Investigation 3B: Statistical Data
KEY: stem-and-leaf plot | multi-part question
1
ID: A
8. ANS:
PTS: 1
DIF: On-Level
OBJ: 3.7 Data Displays-Histograms and Stem-and-Leaf Displays
TOP: Investigation 3B: Statistical Data
KEY: histogram
OTHER
9. ANS:
greatest increase from 1992 to 1994
PTS:
NAT:
TOP:
BLM:
1
DIF: Level B
REF: MLC20837
NCTM 6-8.DAP.1.b | NCTM 6-8.REP.1
Lesson 3.2 Bar Graphs and Line Graphs
Application NOT: 978-0-618-73961-5
2
STA: MO 7.5.1.C.1
KEY: data | draw | line graph