Mathematics, 19.06.2020 23:57 James300102

To check the lifetime of a new battery in a soonâ€‘toâ€‘beâ€‘released smart watch with GPS, an engineer used the GPSâ€‘tracking feature of the watch continuously, beginning with a fully charged battery, until the battery was drained. The engineer repeated this for a total of 10 times. He compared the results with the lifetime of 4.8 hours for the current battery used in the company's GPSâ€‘enabled smart watch. The described situation involves inference about a mean or means which involves: a. two independent samples.

b. a single sample.

c. a matched pairs design.

d. none of the choices.

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To check the lifetime of a new battery in a soonâ€‘toâ€‘beâ€‘released smart watch with GPS, an engin...