Battery Life of Tablet Computers Is of Great Concern to Customers.A

question 36

Multiple Choice

Battery life of tablet computers is of great concern to customers.A consumer group has tested four brands of such tablets to determine the battery life.Samples of tablets of each brand were fully charged and left to run until the battery died.The number of hours that each tablet lasted was recorded.The following graphs and tables from the analysis of the data are provided.(Note: Some entries have been omitted and replaced with _**.) If one wanted to calculate the SST from the data,the value of the overall mean needs to be determined.Using the above information,what is the value of the overall mean?

• A)26.13
• B)26.10
• C)25.23
• D)24.16
• E)This cannot be determined without knowing the individual data values.

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Definitions:

Tokens

Symbols or objects used as representations of value or exchange, often employed in token economies for behavior reinforcement.

Operant Conditioning

A method of learning that occurs through rewards and punishments for behavior, operant conditioning involves an association between behaviors and their consequences.

Reinforcement

In behaviorism, any event that strengthens or increases the likelihood of a behavior.

Fixed-Interval Schedules

A schedule of reinforcement where rewards are provided after a fixed amount of time has passed since the last reinforcement.