Textbook Question
Graphical Analysis In Exercises 9–12, use the stem-and-leaf plot or dot plot to list the actual data entries. What is the maximum data entry? What is the minimum data entry?
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2. Describing Data with Tables and Graphs
Dot Plots
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The dotplot below shows the number of books read in a month by students in a college class. Find the most and least frequent number of books read.
A
The most frequent number of books read: 2
The least frequent number of books read: 6
B
The most frequent number of books read: 2
The least frequent number of books read: 1,4,5
C
The most frequent number of books read: 5
The least frequent number of books read: 1,4,5
D
The most frequent number of books read: 5
The least frequent number of books read: 6
E
The most frequent number of books read: 2
The least frequent number of books read: 0
Verified step by step guidance1
Step 1: Observe the dotplot provided. Each dot represents the number of students who read a specific number of books in a month. The x-axis shows the number of books read, and the y-axis (represented by the number of dots) shows the frequency of students for each number of books.
Step 2: Count the number of dots above each number on the x-axis to determine the frequency of students for each number of books read. For example, count the dots above 0, 1, 2, 3, 4, 5, and 6.
Step 3: Identify the number of books read with the highest frequency (most dots). This is the most frequent number of books read.
Step 4: Identify the number(s) of books read with the lowest frequency (fewest dots). This is the least frequent number of books read.
Step 5: Compare the frequencies for all numbers of books read and write down the most frequent and least frequent numbers based on your observations.
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