- 99 Views
- Uploaded on

Download Presentation
## PowerPoint Slideshow about 'Histograms Review Mean, median, mode' - nevaeh

**An Image/Link below is provided (as is) to download presentation**

Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author.While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server.

- - - - - - - - - - - - - - - - - - - - - - - - - - E N D - - - - - - - - - - - - - - - - - - - - - - - - - -

Presentation Transcript

### Histograms ReviewMean, median, mode

### Mean, Median and Mode

Grade 8 Math

Minds On

- Please define histogram:
- A graph with bars that show frequencies of data organized into intervals; the intervals line up side by side, without gaps, in the number line

Please choose the best graph that can represent the data below:

- When you want to display the height of a class to see how many students in one class meet the height requirement required by attractions in Wonderland
- A. a bar graph
- B. a pictograph
- C. a line graph
- D. a scatter plot
- E. a stem-and-leaf plot
- F. a circle graph
- G. a Histogram

Please choose the best graph that can represent the data below:

- When you want to see how much percentage of Tax is spent on Education:
- A. a bar graph
- B. a pictograph
- C. a line graph
- D. a scatter plot
- E. a stem-and-leaf plot
- F. a circle graph
- G. a Histogram

Please choose the best graph that can represent the data below:

- When you try to see whether the students in the class prefer hockey or soccer
- A. a bar graph
- B. a pictograph
- C. a line graph
- D. a scatter plot
- E. a stem-and-leaf plot
- F. a circle graph
- G. a Histogram

Please choose the best graph that can represent the data below:

- When you want to see the biggest improvement time period of a hockey team
- A. a bar graph
- B. a pictograph
- C. a line graph
- D. a scatter plot
- E. a stem-and-leaf plot
- F. a circle graph
- G. a Histogram

Please choose the best graph that can represent the data below:

- When you want to find out the relationship between two values
- A. a bar graph
- B. a pictograph
- C. a line graph
- D. a scatter plot
- E. a stem-and-leaf plot
- F. a circle graph
- G. a Histogram

Please choose the best graph that can represent the data below:

- When you want to see how long roughly it takes 32 students to go to school
- A. a bar graph
- B. a pictograph
- C. a line graph
- D. a scatter plot
- E. a stem-and-leaf plot
- F. a circle graph
- G. a Histogram

Homework Checking

- Please get your homework out
- Please find a shoulder partner and exchange your homework
- Please check homework 4 and 8

Grade 8 Math

Definition & Calculation

- Mean:
- Median:
- Mode:

2, 4, 8, 9, 10, 12, 15, 18, 20, 22

- Comparing groups of data by:comparing the mean, median & mode

Experiment

- Textbook reading: page 108
- Demonstration: volunteer for dropping and recording?
- Calculation:
- Mean:
- Median:
- Mode:

It’s your turn!

- Group!
- One dropper
- One catcher & recorder
- Repeat the experiment for 10 times, record the response times down
- Switch with your partner, repeat for 1o times, record the response times down
- Calculation:
- The mean, median and mode (3m)
- Drop the least measurement & recalculate the 3m
- Drop the greatest measurement & recalculate the 3m
- Drop both the least and the greatest & recalculate the 3m

Think:

- Was the mean, the median, or the mode affected more by leaving out the least and greatest measurements? Why?
- Was the mean, median, or the mode a better indicator of your reaction time?
- How did your means, medians, and modes help you compare your reaction time with the reaction times of the other students in your class?

Think:

- Textbook Page 110 Question 4

Ticket-Out-Of-The-Door

- One new thing that I have learned today

Homework

- Textbook 109 example 1 & page 110, question 5, 7

Download Presentation

Connecting to Server..