Time Series
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![Page 1: Time Series](https://reader036.fdocuments.us/reader036/viewer/2022082700/549534c7b47959bf138b468a/html5/thumbnails/1.jpg)
WARM UP
Debbie has borrowed $2,700, and will pay $75 every month until she has repaid the amount. Paul has borrowed $3,000 and will pay $100 every month.
1. Write and solve an inequality showing how many months it will be until Paul owes less than Debbie.
2. Will Paul owe less than Debbie before loans are repaid in full?
![Page 2: Time Series](https://reader036.fdocuments.us/reader036/viewer/2022082700/549534c7b47959bf138b468a/html5/thumbnails/2.jpg)
WARM UP
Name a number that is 70 when rounded to the nearest ten, is divisible by 2 and 3, and whose digits added together make a perfect square.
![Page 3: Time Series](https://reader036.fdocuments.us/reader036/viewer/2022082700/549534c7b47959bf138b468a/html5/thumbnails/3.jpg)
Time Series!!!!When a set of numerical data is collected at regular time intervals, it can be conveniently displayed in a line graph on coordinate grid
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Time Series
When a quantity is measured in regular time intervals, the data
collected are called a time series.
![Page 5: Time Series](https://reader036.fdocuments.us/reader036/viewer/2022082700/549534c7b47959bf138b468a/html5/thumbnails/5.jpg)
Example of Time Series
1950
1955
1960
1965
1970
1975
1980
1985
1990
1995
2000
135
140
145
150
155
160
165
170
Height (CM)
Height (CM)
![Page 6: Time Series](https://reader036.fdocuments.us/reader036/viewer/2022082700/549534c7b47959bf138b468a/html5/thumbnails/6.jpg)
Natural QuestionsWhat are the maximum value,
minimum value, and range of the quantity being examined?
Are there any trends in the data?How fast has the quantity being
measured changed from one to next.
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Rate of Change
![Page 8: Time Series](https://reader036.fdocuments.us/reader036/viewer/2022082700/549534c7b47959bf138b468a/html5/thumbnails/8.jpg)
Time Series in Bar Graphs
1975 1980 1985 1990 1995 20000
10
20
30
40
50
SmallMidsizeLargeLuxury
• What are the maximum values, minimum values, and ranges of each of the four quantities being examined in the data above?• Describe the trends in the data.•Which rates of change are positive, which rates of change are negative