Mode and Range Exam Prep

  • 11th Grade
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| Questions: 15 | Updated: May 12, 2026
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1. What is the mode of the dataset: 5, 7, 9, 7, 3, 7, 8?

Explanation

The mode of a dataset is the value that appears most frequently. In this case, the number 7 appears three times, while all other numbers appear less frequently. Therefore, 7 is the mode of the dataset, representing the most common value.

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About This Quiz
Mode and Range Exam Prep - Quiz

This quiz tests your understanding of mode and range, two essential measures of central tendency and spread in statistics. You'll analyze datasets, identify the most frequently occurring values, calculate the difference between highest and lowest values, and apply these concepts to real-world scenarios. Perfect for building confidence before your statistics... see moreexam. see less

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2. The range of a dataset is 45. If the minimum value is 12, what is the maximum value?

Explanation

To find the maximum value in a dataset, you add the range to the minimum value. Here, the range is 45 and the minimum value is 12. Therefore, the maximum value is calculated as 12 + 45 = 57.

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3. Which dataset has a mode of 6?

Explanation

The mode of a dataset is the number that appears most frequently. In the dataset "3, 6, 6, 6, 9," the number 6 appears three times, more than any other number. This makes 6 the mode, as it is the value that occurs with the highest frequency compared to the other datasets.

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4. A dataset has values: 10, 15, 20, 25, 30. What is the range?

Explanation

The range of a dataset is calculated by subtracting the minimum value from the maximum value. In this case, the minimum is 10 and the maximum is 30. Therefore, the range is 30 - 10 = 20, indicating the spread of values within the dataset.

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5. Which statement about mode is true?

Explanation

Mode refers to the value that occurs most frequently in a dataset. It is not limited to a single mode, as some datasets may have multiple modes or none at all. However, it must always be a number or value present in the dataset, distinguishing it from the average or other statistical measures.

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6. The dataset 2, 2, 2, 5, 5, 9 has how many modes?

Explanation

In the dataset 2, 2, 2, 5, 5, 9, the number 2 appears most frequently, occurring three times. The number 5 appears twice, and 9 appears once. Since only one number has the highest frequency, the dataset has one mode, which is 2.

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7. What is the mode of: 12, 15, 12, 18, 12, 20?

Explanation

The mode is the value that appears most frequently in a data set. In this case, the number 12 occurs three times, while all other numbers appear less frequently. Therefore, 12 is the mode of the given numbers.

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8. A dataset ranges from 8 to 92. Calculate the range.

Explanation

To calculate the range of a dataset, subtract the minimum value from the maximum value. In this case, the maximum is 92 and the minimum is 8. Therefore, the range is 92 - 8 = 84. This value represents the spread of the data points within the dataset.

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9. The dataset 4, 4, 4, 4, 4 has a mode of ____.

Explanation

In a dataset, the mode is the value that appears most frequently. In this case, the number 4 appears five times, which is more than any other number in the dataset. Therefore, the mode of the dataset is 4.

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10. If a dataset has a range of 36 and a maximum of 50, the minimum is ____.

Explanation

To find the minimum value in a dataset when the range and maximum are known, subtract the range from the maximum. Here, the range is 36 and the maximum is 50. Thus, the minimum is calculated as 50 - 36, which equals 14.

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11. A bimodal dataset has exactly ____ modes.

Explanation

A bimodal dataset is characterized by having two distinct values that appear most frequently, known as modes. This means that when analyzing the frequency of data points, two separate peaks will be evident in the distribution, indicating the presence of two modes.

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12. The range is calculated by subtracting the minimum from the ____.

Explanation

The range of a set of numbers represents the difference between the highest and lowest values. To find the range, you subtract the smallest number (minimum) from the largest number (maximum). This calculation provides a measure of how spread out the values are within the dataset.

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13. True or False: The mode must always be a whole number.

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14. True or False: Range measures the spread of data in a dataset.

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15. True or False: A dataset can have no mode if all values appear equally often.

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What is the mode of the dataset: 5, 7, 9, 7, 3, 7, 8?
The range of a dataset is 45. If the minimum value is 12, what is the...
Which dataset has a mode of 6?
A dataset has values: 10, 15, 20, 25, 30. What is the range?
Which statement about mode is true?
The dataset 2, 2, 2, 5, 5, 9 has how many modes?
What is the mode of: 12, 15, 12, 18, 12, 20?
A dataset ranges from 8 to 92. Calculate the range.
The dataset 4, 4, 4, 4, 4 has a mode of ____.
If a dataset has a range of 36 and a maximum of 50, the minimum is...
A bimodal dataset has exactly ____ modes.
The range is calculated by subtracting the minimum from the ____.
True or False: The mode must always be a whole number.
True or False: Range measures the spread of data in a dataset.
True or False: A dataset can have no mode if all values appear equally...
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