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G10 Measure of position for Ungroup Data

LESSON plan

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Southern Masbate Roosevelt College

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DETAILED LESSON PLAN IN MATHEMATICS 10

(February 6, 2018)

I. Objectives

At the end of the lesson, the students are expected to:

Identify and define quartiles for ungroup data.
Compute the measure of position for deciles and percentile. II. Subject Matter Topic: Measure of position for Ungroup Data

Session: 1 hour

Reference: Mathematics Teacher’s guide - Grade 9 by Melvin M. Callatan et. Al.

Materials: Manila paper, Marker, Chalk, Visual aids.

III. Procedures:

Teacher’s activity Student’s activity A. Activity

Daily Routine

Good morning/ Good afternoon class!

Kindly pick up the pieces of papers scattered on the floor and arrange your chairs properly.

You may take your seats.

Monitor? Will you please check the attendance please? Thank you!

Review

So what measure of position we’ve discuss yesterday?

What method aside from observing the data we can use to obtained the quartile?

What is called to the difference between?

Okay, Very Good!

B. Analysis

So now class, we’re going to discuss about the next measure of position which is deciles and percentile for ungroup data.

So kindly please read.

(the students will read)

Good morning/ Good afternoon Ma’am

The students do so.

Ma’am yesterday we’ve discuss about the quartile.

Mendenhall and sincich method.

Interquartile range.

Deciles are the nine score points which divide

For example, find the 3rd decile or of the following test scores of a random sample of ten students: 35, 42, 40,28,15,23,33,20,18 and 28.

First, arrange the scores in ascending order. Who wants to try? (the student will answer)

Next find its position use the formula and round off to the nearest integer.

So who wants to answer? (the student will answer)

Very Good! is the 3rd element. Therefore, is equal to what? (the student will answer)

Very good!

Okay next let’s try to find the and. Who wants to answer? (the student will answer)

Very good!

Next class is the percentile, so kindly please read.

a distribution into ten equal parts. Deciles are denoted as .... they are computed in the same way as the quartile are calculated.

15 18 20 23 28 28 33 35 40 42

Position of = = = = = 3.

Ma’am the is equals to 20.

Position of = = = = = 5.

Position of = = = = = 7.

Percentiles are the ninety-nine score-points which divide a distribution into one hundred equal parts, so that each part represents the data set. The 1st decile is the 10th percentile (). It means 10% of the data is less than or equal to the value of or , and so on.

Scores: 5 7 12 14 15 22 25 30 36 42 53 65 Calculate the following using the given data. 1. 2. 3. 4. 5.

IV. Assignment

Given 15 multiple – choice items in their final test in Mathematics, the scores of 30 students are the following:

23 38 28 46 22 20 18 34 36 35 45 48 16 22 27

Calculate the following using the given data.

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