MEAN

Poll

Are you ready?

• YES

• NO

Multiple Choice

Every 10th student entering the library is asked to participate in a survey about their reading habits

• Systematic Sampling

• Snowball Sampling

• Simple Random Sampling

• Stratified Random Sampling

Multiple Choice

A researcher selects participants based on their availability and willingness to participate

• Cluster Sampling

• Convenience Sampling

• Quota Sampling

• Purposive Sampling

Multiple Choice

A researcher stands outside a shopping mall and asks every 5th person who walks by to fill out a questionnaire

• Cluster Sampling

• Simple Random Sampling

• Systematic Sampling

• Purposive Sampling

Multiple Choice

A marketing team selects participants for a focus group by inviting individuals who have previously purchased their products

• Cluster Sampling

• Simple Random Sampling

• Convenience Sampling

• Purposive Sampling

Multiple Choice

A polling agency calls phone numbers randomly generated by a computer and asks the person who answers to participate in a political survey

• Cluster Sampling

• Simple Random Sampling

• Convenience Sampling

• Purposive Sampling

​Riddle Quest

Multiple Choice

I'm the balance point in a numerical crowd,

Add us all up, then divide, and you've found

The average, the midpoint, the fairest share,

In statistics, I'm the one you declare.

What am I?

• Mean

• Median

• Mode

• Range

Multiple Choice

In a list of numbers, I stand tall,

Not the highest, nor the lowest of all.

In the middle, I quietly reside,

Dividing the data, side by side.

What am I?

• Mean

• Median

• Mode

• Range

Multiple Choice

In a set of values, I hold sway,

The one that appears most, come what may.

Not the average, nor the middle one,

But the most frequent, when all's said and done.

What am I?

• Mean

• Median

• Mode

• Range

MEASURES OF CENTRAL TENDENCY

Objectives

• ​Define mean, median, and mode.

• Solve problems relevant to mean median and mode.

• Demonstrate appreciation for mean, median, and mode through real-life applications.

MEASURES OF CENTRAL TENDENCY

Statistical measure that identifies a single value as representative of an entire distribution

The 7-day heat index computed by PAG-ASA from April 20 to 26, 2024, is as follows:

Fill in the Blanks

Fill in the Blanks

Fill in the Blanks

Mean

Mean

• ​The mean is the average of the numbers.

• To calculate the mean, add up all the numbers, then divide by how many numbers there are.

• In other words, it is the sum divided by the count.

Mean

​Mean

​raw data

Mean

​raw data

summation

Mean

​raw data

summation

​number of raw data

Fill in the Blanks

Fill in the Blanks

Median

Median

​It is the middle of a sorted list of numbers.

Median

Fill in the Blanks

Fill in the Blanks

Mode

Mode

The mode is simply the number which appears most often.

DATA

• ​ Class will be divided into 3 groups.

• Each group will gather data from each of its members based on the following categories: age, height, number of siblings

• Mean, median, and mode will be computed from the gathered data. It will then be presented in class.

Multiple Choice

It is the most frequently occurring value.

• Mean

• Median

• Mode

• Range

Multiple Choice

It is the middle value.

• Mean

• Median

• Mode

• Range

Multiple Choice

It is also termed as an average.

• Mean

• Median

• Mode

• Range

Objectives

• ​Define mean, median, and mode.

• Solve problems relevant to mean median and mode.

• Demonstrate appreciation for mean, median, and mode through real-life applications.

​Study:
Measures of Variability