Measures of Central Tendency: Ungrouped Data

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Central tendency basics

Created by

Kris Conrad Santiago

Philippines

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AsterQuiz Measures of Central Tendency: Ungrouped DataOnline version Central tendency basics by Kris Conrad Santiago 1 Which of the following best defines the arithmetic mean of an ungrouped dataset? a The sum of all values divided by the total number of values. b The value that appears most frequently in the dataset. c The middle value when data points are sorted in ascending order. 2 What is the structural definition of the median in an ungrouped dataset? a The exact middle data point when the data is fully ordered. b Any value that sits anywhere inside the given data list. c The largest value minus the smallest value in the set. 3 Which statement precisely describes the mode of an ungrouped dataset? a The value that occurs most frequently b The middle value when data are ordered c The value that is the average of all values 4 A student is asked to find the median of the dataset [12, 5, 22, 17, 9]. They answer '22' because it is the physical center of the raw list. What is their error? a They failed to sort the dataset before picking the middle value. b They should have added all the numbers together instead. c They calculated the mode instead of the median. 5 How does adding an extreme outlier (e.g., 100) affect the mean of a small, close-knit dataset? (outlier means too high or too low) a It leaves the mean completely unchanged. b It makes the mean equal to the median value. c It eliminates the mode entirely 6 Calculate the arithmetic mean of the following exam scores: [10, 15, 20, 25, 30]. a 5 b 20 c 25 7 Find the median of this dataset: [7, 3, 11, 5, 9]. a 6 b 7 c 11 8 What is the median of the following even-numbered dataset: [4, 12, 8, 10]? a 4 b 8.5 c 9 9 Identify the mode of the dataset: [5, 8, 2, 8, 3, 5, 8]. a 5 b 5 and 8 c 8 10 Determine the mode of the following unique dataset: [14, 21, 35, 42, 49]. a 0 b No mode c 14

AsterQuiz

Measures of Central Tendency: Ungrouped DataOnline version

Central tendency basics

by Kris Conrad Santiago

Which of the following best defines the arithmetic mean of an ungrouped dataset?

The sum of all values divided by the total number of values.

The value that appears most frequently in the dataset.

The middle value when data points are sorted in ascending order.

What is the structural definition of the median in an ungrouped dataset?

The exact middle data point when the data is fully ordered.

Any value that sits anywhere inside the given data list.

The largest value minus the smallest value in the set.

Which statement precisely describes the mode of an ungrouped dataset?

The value that occurs most frequently

The middle value when data are ordered

The value that is the average of all values

A student is asked to find the median of the dataset [12, 5, 22, 17, 9]. They answer '22' because it is the physical center of the raw list. What is their error?

They failed to sort the dataset before picking the middle value.

They should have added all the numbers together instead.

They calculated the mode instead of the median.

How does adding an extreme outlier (e.g., 100) affect the mean of a small, close-knit dataset? (outlier means too high or too low)

It leaves the mean completely unchanged.

It makes the mean equal to the median value.

It eliminates the mode entirely

Calculate the arithmetic mean of the following exam scores: [10, 15, 20, 25, 30].

Find the median of this dataset: [7, 3, 11, 5, 9].

What is the median of the following even-numbered dataset: [4, 12, 8, 10]?

8.5

Identify the mode of the dataset: [5, 8, 2, 8, 3, 5, 8].

5 and 8

Determine the mode of the following unique dataset: [14, 21, 35, 42, 49].

No mode

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Measures of Central Tendency: Ungrouped Data

AsterQuiz

About this activity

Created by

Download the paper version to play

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AsterQuiz

Measures of Central Tendency: Ungrouped DataOnline version

by Kris Conrad Santiago

Which of the following best defines the arithmetic mean of an ungrouped dataset?

What is the structural definition of the median in an ungrouped dataset?

Which statement precisely describes the mode of an ungrouped dataset?

A student is asked to find the median of the dataset [12, 5, 22, 17, 9]. They answer '22' because it is the physical center of the raw list. What is their error?

How does adding an extreme outlier (e.g., 100) affect the mean of a small, close-knit dataset? (outlier means too high or too low)

Calculate the arithmetic mean of the following exam scores: [10, 15, 20, 25, 30].

Find the median of this dataset: [7, 3, 11, 5, 9].

What is the median of the following even-numbered dataset: [4, 12, 8, 10]?

Identify the mode of the dataset: [5, 8, 2, 8, 3, 5, 8].

Determine the mode of the following unique dataset: [14, 21, 35, 42, 49].

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