Download presentation

1
**FREQUENCY TABLES AND LINE GRAPHS**

CONFIDENTIAL

2
FREQUENCY TABLES CONFIDENTIAL

3
**Review Arrange the following numbers in ascending order:**

Arrange the following numbers in descending order: a) 90,75,80,65,78,55,56, 77,86,68,74,79,91 CONFIDENTIAL

4
FREQUENCY TABLES A frequency table is a table that lists each item in a data set with the number of times the item occurs. CONFIDENTIAL

5
**We use tally marks to represent the number of repeated items. **

Frequency tables We use tally marks to represent the number of repeated items. Tally mark is denoted by a vertical line For example: 3 = and 5 = CONFIDENTIAL

6
**Frequency tables square triangle circle Triangles Shapes Shapes Tally**

The frequency table is: Shapes Tally Number Triangle III 3 Square IIII 4 Circle II 2 CONFIDENTIAL

7
**Frequency tables ∆ ○⌂ ⌂ ∆□ ∆○ ∆ ⌂ ○∆ ⌂○ □∆ ⌂□ ∆□○ ⌂ ○∆ ⌂ □ □∆ ○○□**

EXAMPLE: Shapes Tally frequency Circle IIII IIII 9 pentagon 10 Square IIII IIII I 11 Triangle ∆ ○⌂ ⌂ ∆□ ∆○ ∆ ⌂ ○∆ ⌂○ □∆ ⌂□ ∆□○ ⌂ ○∆ ⌂ □ □∆ ○○□ ∆ ⌂ □ □ □ ⌂ ⌂○ □ Total 40 CONFIDENTIAL

8
**The salary of 24 people in my neighborhood (in $ thousands): **

Now your turn!!! The salary of 24 people in my neighborhood (in $ thousands): Using tally marks, make a frequency distribution table. CONFIDENTIAL

9
**Monday Tuesday Wednesday Thursday Friday More Problems**

The following table shows the number of TV’s sold by a shopkeeper during a week. Prepare a frequency table. Friday Thursday Wednesday Tuesday Monday CONFIDENTIAL

10
LINE GRAPHS CONFIDENTIAL

11
Line Graphs A line graph uses a series of line segment to show changes in data. CONFIDENTIAL

12
**Making a Line graph Temperatures through out the day Time Temperature**

8 A.M 50 F 10 A.M 60 F 12 P.M 70 F 2 P.M 80 F 4 P.M 75 F 6 P.M 8 P.M 55 F 80 TEMPERATURE 75 70 65 60 55 50 8 AM 10AM 12PM 2 PM 4 PM 6 PM 8 PM TIME OF DAY CONFIDENTIAL

13
**More Examples Fruit Numbers Apple 9 Orange 4 Mango 15 Pear 13**

Convert the frequency table into a line graph: 15 N U M B E R S Fruit Numbers Apple 9 Orange 4 Mango 15 Pear 13 13 11 9 7 5 Apple Orange Mango Pear Fruits CONFIDENTIAL

14
Solve the puzzle CONFIDENTIAL

15
Time for a break! CONFIDENTIAL

16
**Now your turn Convert the given frequency table into line graph Snack**

Numbers Sandwich 15 Chips 26 Samosa Cake 7 CONFIDENTIAL

17
**More practice problems**

Prepare a frequency table and then draw a line graph with this observations: 145, 150, 142, 144, 147, 150, 148,147,149,151, 149, 144, 150, 146,148,150,149,144, 151, 148,147,146, 151,149,150,140,146,147,150,151. CONFIDENTIAL

18
Assignment The following table gives birth-days of 40 boys in a class. Illustrate the data by a line graph. Days sunday monday Tuesday Wednesday Thursday Friday Saturday Number of boys 6 7 3 8 11 2 CONFIDENTIAL

19
**A line graph uses a series of line segments to show changes in data.**

Review A frequency table is a table that lists each item in a data set with the number of times that occurs. A line graph uses a series of line segments to show changes in data. CONFIDENTIAL

20
That’s all for today!!! You did a good job! CONFIDENTIAL

Similar presentations

Presentation is loading. Please wait....

OK

1 Radio Maria World. 2 Postazioni Transmitter locations.

1 Radio Maria World. 2 Postazioni Transmitter locations.

© 2018 SlidePlayer.com Inc.

All rights reserved.

Ads by Google

Ppt on group 14 elements Ppt on mass production of food Ppt on models of atoms Ppt on sectors of indian economy class 10 Ppt on 2-stroke petrol engine Ppt on standardization and grading Ppt on dispersal of seeds by animals Ppt on meta search engine Ppt on 3d holographic projection technology Ppt on great monuments of india