Answer
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Hint: Observe that the given bar graph is drawn as number students against the heights of the students measured in cm. Go through the measures for each data carefully. Interpret the data correctly. First see what each bar is describing mathematically and then based on that answer the question using the information gathered.
Complete step by step solution:
On the $y$-axis we have a number of students. We observe that it ranges from $0$ to $20$. Therefore for a particular height there are maximum $20$ students whose height lies in that range.
On the $x$ -axis we have the height of the students measured in centimetre. The minimum height is $140$ cm and maximum are $165$. Therefore, all the height value lies in this interval.
Now let us see what each bar in the bar graph represents.
The first bar starts at the $x$ value between $140 - 144$ and it corresponds to the $y$ value of $5$. This means that there are a total $5$ students with height in the range of $140 - 144$ cm.
The second bar starts at the $x$ value between $145 - 149$ and it corresponds to the $y$ value of $10$. This means that there are total $10$ students with height in the range of $145 - 149$ cm.
The third bar starts at the $x$ value between $150 - 154$ and it corresponds to the $y$ value of $17$. This means that there are total $17$ students with height in the range of $150 - 154$ cm.
The fourth bar starts at the $x$ value between $155 - 159$ and it corresponds to the $y$ value of $7$. This means that there are a total $7$ students with height in the range of $155 - 159$ cm.
The fifth bar starts at the $x$ value between $160 - 164$ and it corresponds to the $y$ value of $5$. This means that there are a total $5$ students with height in the range of $140 - 144$ cm.
Therefore, we can say that the maximum number of students with height in the range of $150 - 154$ and the number is $17$ but it doesn’t mean that the maximum height (in cm) of a student in the class is $17$ .
Thus, the correct answer is false.
Note: Here the important thing to note is that the graph cannot say anything about the height of an individual student so we cannot really determine the height of the particular student. Thus, it was clear that the given statement is false when it talks about the height of the individual student. But to be sure we need to study in detail.
Complete step by step solution:
On the $y$-axis we have a number of students. We observe that it ranges from $0$ to $20$. Therefore for a particular height there are maximum $20$ students whose height lies in that range.
On the $x$ -axis we have the height of the students measured in centimetre. The minimum height is $140$ cm and maximum are $165$. Therefore, all the height value lies in this interval.
Now let us see what each bar in the bar graph represents.
The first bar starts at the $x$ value between $140 - 144$ and it corresponds to the $y$ value of $5$. This means that there are a total $5$ students with height in the range of $140 - 144$ cm.
The second bar starts at the $x$ value between $145 - 149$ and it corresponds to the $y$ value of $10$. This means that there are total $10$ students with height in the range of $145 - 149$ cm.
The third bar starts at the $x$ value between $150 - 154$ and it corresponds to the $y$ value of $17$. This means that there are total $17$ students with height in the range of $150 - 154$ cm.
The fourth bar starts at the $x$ value between $155 - 159$ and it corresponds to the $y$ value of $7$. This means that there are a total $7$ students with height in the range of $155 - 159$ cm.
The fifth bar starts at the $x$ value between $160 - 164$ and it corresponds to the $y$ value of $5$. This means that there are a total $5$ students with height in the range of $140 - 144$ cm.
Therefore, we can say that the maximum number of students with height in the range of $150 - 154$ and the number is $17$ but it doesn’t mean that the maximum height (in cm) of a student in the class is $17$ .
Thus, the correct answer is false.
Note: Here the important thing to note is that the graph cannot say anything about the height of an individual student so we cannot really determine the height of the particular student. Thus, it was clear that the given statement is false when it talks about the height of the individual student. But to be sure we need to study in detail.
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