As an AI language model, I cannot see the scatterplots or the box-and-whisker plots; so, I cannot answer questions 5 and 6. However, you have provided answer choices for all the questions except question 1. Here are the correct answer choices for all questions:
1. B.
2. B.
3. A.
4. A.
Using Graphs to Analyze Data Unit Review Practice
Connections Academy 8th Grade
Please only use this to check your answers.
1. Make a line plot for the set of data.
61, 58, 57, 64, 59, 57, 64, 58, 56, 57
A.
B. ***
C.
D.
2. A teacher asks her class of 22 students, "What is your age?" Their responses are shown below.
19, 19, 14, 14, 16, 19, 19, 16, 16, 15, 17, 16, 17, 16, 15, 14, 15, 15, 17, 14, 16, 15
Find the mean, median, and mode for the data. If necessary, round to the nearest tenth.
A. 16.5;17;17
B. 16.1;16;16 ***
C. 16.1;17;16
D. 16.5;16;17
3. Identify the frequency distribution table that shows the retirement ages of 27 police detectives.
A. Age | Frequency ***
50-52 | 7
53-55 | 4
56-58 | 3
59-61 | 7
62-64 | 5
65-67 | 1
B. Age | Frequency
50-52 | 7
53-55 | 4
56-58 | 3
59-61 | 6
62-64 | 5
65-67 | 1
C. Age | Frequency
50-52 | 7
53-55 | 5
56-58 | 3
59-61 | 6
62-64 | 6
65-67 | 1
D. Age | Frequency
50-52 | 7
53-55 | 5
56-58 | 3
59-61 | 7
62-64 | 5
65-67 | 1
4. What data are represented by the stem-and-leaf plot below?
3 | 7 8 9
4 | 1 3 7
5 | 2 4
Key: 4|1 means 41
A. 37, 38, 39, 41, 43, 47, 52, 54 ***
B. 73, 83, 93, 14, 34, 74, 25, 45
C. 7, 8, 9, 1, 3, 7, 2, 4
D. 37, 38, 39, 14, 34, 74, 25, 45
5. The box-and-whisker plots show data for the test scores of four groups of students in the same class. Which plot represents a group with a median grade below 65?
A.
B.
C. ***
D.
6. The table below shows the amount of time several students spent watching TV during one week and their test grades.
Hours Spent Watching TV | 6|12|18|24|30|36|
Grade (%) |79|77|63|59|43|44|
Which scatterplot describes the data and the relationship, if any?
A. ***
B.
C.
D.
1 answer