A company has developed a new computer microprocessor whose average lifetime is unknown. In order to estimate this average, 300 microprocessors are randomly selected from a large production line and tested; their average lifetime is found to be 7 years. The 300 microprocessors represent a:
a. parameter. c. sample.
b. statistic. d. population.
C
You might also like to view...
The two-factor theory suggests that there is no limit to the optimal number of repetitions for a message
Indicate whether the statement is true or false
A statistic is a summary description of a characteristic or measure of the sample
Indicate whether the statement is true or false
Zenith Inc, a textile company, wants to do business with Cara's Fashion House by supplying all the fabric required by Cara's Fashion House. Zenith Inc writes a detailed description of how it can meet the needs of Cara's Fashion House at a reasonable price. This description provided by Zenith Inc is an example of a(n) _____.?
A) ?informal memo B) ?proposal C) ?hypothesis D) ?problem statement
When you give the speaker your undivided attention, you
A) actually give the speaker's comments your undivided attention. B) focus on how the talk is delivered. C) focus on how interesting the speaker is. D) check to see whether the speaker maintains eye contact with the audience. E) focus on how well groomed and relaxed the speaker is.