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The given line plot shows the quiz scores of students in a history class. How many students scored less than 14?
The given line plot shows the quit scores of students in a history class. How many students scored less than 14?
First of all, let’s look at this line plot more closely. The scores of the students are arranged on a horizontal scale with values ranging from nine to 20. Each of the crosses on the line plot represent the score achieved by one student. The crosses are each placed above the scores that that student achieved.
So for example, there are three crosses above 18, meaning three students scored 18 marks. To determine how many students scored less than 14, we just need to count the crosses for all those scores which are below 14.
Looking at the lower end of the line plot, the scores achieved which were less than 14 were 10, 11, 12, and 13. There are three crosses above 10, meaning three students scored 10 marks. There are two crosses above 11, so two students scored 11 marks, four crosses above 12, and three crosses above 13.
Summing these four values together gives the total number of students who scored from 10 to 13 marks. The number of students who scored less than 14 marks is 12.
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