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5. An important feature of digital cameras is battery life—the number of shots that can be...

5. An important feature of digital cameras is battery life—the number of shots that can be taken before the battery needs to be recharged. The file Cameras contains the battery life information of 11 subcompact cameras and 7 compact cameras (Data extracted from “Cameras,” Consumer Reports, July 2012, pp. 42-44). Is there evidence of subcompact cameras have better battery life than compact cameras? (Use a 0.05 level of significance)

Please show me step by step in excel data analysis how to answer this.

Subcompact Compact
150 240
210 230
200 170
250 250
170 210
250 310
200 130
210
200
220
220
math   Statistics-And-Probability   
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