Worksheet: Comparing Mean Averages

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1. The two tables below show monthly rainfall data for two different locations

 

Tampa, FL: Monthly Rainfall in mm.
JanFebMarAprMayJunJulAugSepOctNovDec
 5971775176175208211162664355 

 

Tokyo, Japan: Monthly Rainfall in mm.
JanFebMarAprMayJunJulAugSepOctNovDec
 50721061291441761361492161949654 

 

a. What is the mean monthly rainfall over the year for Tampa?   104.5 mm   

 

b. What is the mean monthly rainfall over the year for Tokyo?   126.8 mm   

 

c. Based on the answers to a. and b. above, which of the two cities is rainiest?   Tokyo   

 

For the following questions just consider the months of June, July, and August.

d. From June to August (inclusive), what is the mean monthly rainfall for Tampa?  198 mm   

 

e. From June to August (inclusive), what is the mean monthly rainfall for Tokyo?  153.7 cm   

 

f. Based on the answers to d. and e. above, which of the two cities is rainiest between June and August?   Tampa   

 

 

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