# How Good Are You In Measures Of Central Tendency Math?

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Also known as measures of central location, a measure of central tendency is a single value that attempts to describe a set of data by identifying the central position within that set of data. Well known measures of central tendency are the Mean, the Median, and Mode. Do you think you master the rules of this portion of Mathematics? If yes, try our quiz and find out.

• 1.

### How do you define the Mean?

• A.

It is equal to the sum of all the values in the data set divided by the number of values in the data set.

• B.

It is the average value of a data set.

• C.

It is the highest values of a data set.

• D.

It is the lowest value of a data set.

A. It is equal to the sum of all the values in the data set divided by the number of values in the data set.
Explanation
The mean is defined as the average value of a data set. It is calculated by adding up all the values in the data set and then dividing the sum by the number of values in the data set. This calculation provides a measure of central tendency, representing the typical value in the data set. Therefore, the given answer accurately describes the definition of the mean.

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• 2.

### How would you define the Median?

• A.

It is the middle point for a set of data that has been arranged in order of magnitude

• B.

It is the highest score for a set of data that has been arranged in order of magnitude

• C.

It is the middle score for a set of data that has been arranged in order of magnitude.

• D.

It is the lowest score for a set of data that has been arranged in order of magnitude

C. It is the middle score for a set of data that has been arranged in order of magnitude.
Explanation
The median is defined as the middle score for a set of data that has been arranged in order of magnitude. This means that if we arrange the data from lowest to highest, the median will be the value that is exactly in the middle. It is not necessarily the highest or lowest score, but rather the value that divides the data into two equal halves.

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• 3.

### How would you define the Mode?

• A.

It is the most frequent score in a data set, which represents the highest bar in a bar chart.

• B.

It is the least frequent score in a data set, which represents the highest bar in a bar chart.

• C.

It is the least frequent score in a data set, which represents the lowest bar in a bar chart.

• D.

It is the most frequent score in a data set, which represents the lowest bar in a bar chart.

A. It is the most frequent score in a data set, which represents the highest bar in a bar chart.
Explanation
The mode is defined as the most frequent score in a data set. In other words, it is the value that appears the most number of times in the dataset. In a bar chart, the mode would be represented by the highest bar, as it indicates the score that occurs most frequently.

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• 4.

### Which measure of central tendency is best used with nominal variables?

• A.

The mean

• B.

The Mode

• C.

The Median

• D.

All three

B. The Mode
Explanation
The mode is the best measure of central tendency to use with nominal variables. This is because nominal variables represent categories or groups that cannot be ordered or ranked. The mode identifies the most frequently occurring category or group, which is the most appropriate way to summarize data with nominal variables. The mean and median, on the other hand, require variables that can be ordered or ranked, such as interval or ratio variables. Therefore, the mode is the most suitable measure of central tendency for nominal variables.

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• 5.

### Which measure of central tendency is mostly used with ordinal variables?

• A.

Mode

• B.

Median

• C.

Mean

• D.

All three

B. Median
Explanation
The median is mostly used with ordinal variables as it is the measure of central tendency that divides the data into two equal halves. Since ordinal variables have a natural order but no specific numerical value, the median is the most appropriate measure to use. The mode refers to the most frequently occurring value, which may not always be meaningful for ordinal variables. The mean is calculated by summing all the values and dividing by the total number of values, which may not be meaningful for ordinal variables. Therefore, the median is the best choice for measuring central tendency with ordinal variables.

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• 6.

### Which type of measure of central tendency is normally used with interval/ratio variables (not skewed)?

• A.

Mean

• B.

Mode

• C.

Median

• D.

All three

A. Mean
Explanation
The mean is the most appropriate measure of central tendency to use with interval/ratio variables that are not skewed. The mean calculates the average value of the data points, making it a suitable choice when the data is evenly distributed and there are no extreme values pulling the data towards one end. The mean takes into account all the values in the dataset, providing a representative measure of the central value.

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• 7.

### Which measure of central tendency is used with Interval/ratio (skewed)?

• A.

Mean

• B.

Mode

• C.

Median

• D.

All three

C. Median
Explanation
The median is the measure of central tendency that is used with interval/ratio data that is skewed. This is because the median is not affected by extreme values or outliers, which can heavily influence the mean. Therefore, the median is a more robust measure to use when the data is skewed.

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• 8.

### When is it not recommended to use the mean as a measure of central tendency?

• A.

When numbers are too large

• B.

When dealing with negative values

• C.

When dealing with fractions

• D.

When dealing with percentages.

A. When numbers are too large
Explanation
The mean is not recommended as a measure of central tendency when dealing with large numbers because it can be heavily influenced by outliers. In such cases, the mean may not accurately represent the typical value of the data set. Other measures like the median or mode may be more appropriate in these situations as they are not as sensitive to outliers.

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• 9.

### Which word below is synonymous to "Mean"?

• A.

Beginning point.

• B.

Middle point

• C.

Average

• D.

Final point.

C. Average
Explanation
The word "mean" refers to the average value of a set of numbers. Therefore, "average" is the correct answer as it is synonymous with "mean" in this context.

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• 10.

### What is the meaning of the Greek letter sigma?

• A.

The subtraction of

• B.

The sum of

• C.

The minimum of

• D.

The maximum of

B. The sum of
Explanation
The Greek letter sigma represents the mathematical symbol for summation, which indicates the addition or sum of a series of numbers or variables. It is commonly used in mathematics and statistics to denote the total sum of a set of values.

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• Current Version
• Mar 19, 2023
Quiz Edited by
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• Aug 15, 2017
Quiz Created by
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