BLM Leg 3 #9	Average Winter and Summer Temperatures
P 1 of 2

1.	Find and record the arithmetic average (mean) January and July temperatures for the cities listed in the following chart.

Average (Mean) Winter and Summer Temperatures

Prairie Location (Region)	Average January 
Temperature (°C)	Average July 
Temperature (°C)	
Churchill (non-prairie)			
Winnipeg			
Portage la Prairie			
Brandon			
Regina			
Saskatoon			
Swift Current			
Medicine Hat			
Lethbridge			
Calgary			
Edmonton			

2.	Display this temperature data using a computer spreadsheet graph. 

3.	Use your spreadsheet analyze the average (mean) July temperature data and to answer the following questions.

a)	What is the average (mean) July temperature of the above locations? 
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b)	Which locations’s average (mean) July temperature is closest to the average (mean) July temperature in (a)?
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c)	Which locations have average (mean) July temperatures that are lower than the average (mean) July temperature in (a)?
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d)	Which locations have average (mean) July temperatures that are greater than the average (mean) July temperature in (a)?
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BLM Leg 3 #9	Average Winter and Summer Temperatures (Continued)
P 2 of 2

4.	Use your spreadsheet to analyze the average (mean) of the January temperature data and to answer the following questions.

a)	What is the average (mean) January temperature of the locations listed in question 1?
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b)	Which location's average (mean) January temperature is closest to the average (mean) January temperature in 4(a)?
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c)	Which locations have average (mean) January temperatures that are lower than the average (mean) January temperature in 4(a)? Are they the same locations as those in question 3(c)?
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d)	Which locations have average (mean) January temperatures that are greater than the average (mean) January temperature in 4(a)? Are they the same locations as those in question 3(d)?
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5.	Compare temperatures of prairie locations listed in your chart:

a)	Which is the warmest prairie location in July? ____________________________

b)	Which is the coldest location in January?________________________________

c)	Which prairie location has the greatest temperature range between January and July?____________________________________________________________
d)	In which prairie location would you prefer to live? Explain why.
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