Finding Measures Of Central Tenancy And Range

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| By Tbutler2013

Tbutler2013

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Quizzes Created: 3 | Total Attempts: 1,929

| Attempts: 271

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1/10 Questions

What is the mode 34, 56, 90, 45, 23, 34
- 34
- 45
- 90

About This Quiz

There exist three measures of central tenancy and ranges that is the mode, median and mean. Take the test below to find out how you can determine these measures exploring their different formulas to summarize data to a simpler form. Enjoy.

2.

The middle number in the set of data may also be known as ______________.
- Median
- Front
- End
- Middle
Correct Answer

A. Median

Explanation

The middle number in a set of data is known as the median. The median is the value that separates the data into two equal halves, with half of the values being greater than the median and half being less than the median. It is a measure of central tendency that helps to understand the typical or average value in a dataset.

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3.

Find the range 30 46 45 58 31
- 50
- 30
- 28
Correct Answer

A. 28

Explanation

The range is the difference between the highest and lowest values in a set of numbers. In this case, the highest number is 58 and the lowest number is 30. Therefore, the range is 58 - 30 = 28.

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4.

Find the mean. 30 46 45 58 31
- 43
- 42
- 38
Correct Answer

A. 42

Explanation

The given numbers are 30, 46, 45, 58, and 31. To find the mean, we need to add up all the numbers and divide the sum by the total number of values. Adding up the numbers, we get 30 + 46 + 45 + 58 + 31 = 210. Since there are 5 numbers, we divide the sum by 5 to get the mean. 210 divided by 5 is 42. Therefore, the mean of the given numbers is 42.

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5.

What is the median? 90, 67, 78, 34, 23, 45, 78, 89, 88
- 34
- 78
- 67
Correct Answer

A. 78

Explanation

The median is the middle value in a set of numbers when they are arranged in order. In this case, the numbers are 23, 34, 45, 67, 78, 78, 88, 89, and 90. When arranged in order, the middle value is 78, which is the median.

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6.

Another name for mean is ___________________________

Correct Answer
average

Explanation
The term "mean" is often used interchangeably with "average." It refers to the sum of a set of numbers divided by the total number of values in the set. Thus, the correct answer is "average."

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7.

The median is found by adding up the numbers and dividing by the number of numbers.
- True
- False
- Don't know
Correct Answer

A. False

Explanation

The statement "The median is found by adding up the numbers and dividing by the number of numbers" is incorrect. The median is actually the middle value in a set of numbers when they are arranged in order. It is not calculated by adding up the numbers and dividing by the number of numbers.

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8.

The mode is the biggest number minus the smallest number
- True
- False
- Don't know
Correct Answer

A. False

Explanation

The statement that "the mode is the biggest number minus the smallest number" is false. The mode refers to the value that appears most frequently in a set of data, and it is not related to the difference between the biggest and smallest numbers. The mode can be any value in the data set, regardless of its range or distribution.

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9.

The range measures the spread of the data.
- True
- False
- Don't know
Correct Answer

A. True

Explanation

The range is a measure of dispersion that calculates the difference between the highest and lowest values in a dataset. It provides information about the spread or variability of the data. By calculating the range, we can determine how much the data points deviate from each other. Therefore, the statement "The range measures the spread of the data" is true.

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10.

1, 2, 2, 2, 3, 4, ,4, 5, 8, 9, 12Find the mean, median and mode respectively for this set of data.
- 4.5, 4, 4
- 5, 2, 4
- 2, 4, 2
- 5.8, 4, 2
Correct Answer

A. 5.8, 4, 2

Explanation

The given answer is incorrect. The mean of the set of data is calculated by adding up all the numbers and dividing by the total count. The median is the middle value when the data is arranged in ascending order. The mode is the number that appears most frequently in the data set. To find the correct mean, median, and mode for the given set of data, we need the complete set of numbers.

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Mar 30, 2023

Quiz Edited by
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Jan 08, 2014

Quiz Created by
Tbutler2013

Finding Measures Of Central Tenancy And Range

What is the mode 34, 56, 90, 45, 23, 34

Quiz Preview

The middle number in the set of data may also be known as ______________.

Find the range 30 46 45 58 31

Find the mean. 30 46 45 58 31

What is the median? 90, 67, 78, 34, 23, 45, 78, 89, 88

Another name for mean is ___________________________

The median is found by adding up the numbers and dividing by the number of numbers.

The mode is the biggest number minus the smallest number

The range measures the spread of the data.

1, 2, 2, 2, 3, 4, ,4, 5, 8, 9, 12Find the mean, median and mode respectively for this set of data.