An Experiment Was Performed to Determine Which Brand of Comparably

question 27

Essay

An experiment was performed to determine which brand of comparably priced light bulbs, A or B, lasts longer on average. Ten bulbs of each brand were tested, and their lifetimes recorded in hours. The data are shown below:
Bulb A: 88, 97, 110, 122, 128, 129, 135, 141, 150, 165
Bulb B: 23, 55, 93, 106, 111, 115, 123, 128, 153, 171
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(a)Display these data using a comparative (back-to-back) stemplot.
(b)What are the differences and similarities in the lifetime distributions for the two samples?
(c)If your preference for brand A or B must be determined from the information in parts (a) and (b), which brand would you buy? Explain your choice using appropriate statistical terminology.

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Definitions:

Cultural Biases

Prejudices or predispositions toward or against certain cultures, often influencing perceptions and behaviors unconsciously.

Metacognition

Awareness and understanding of one's own thought processes, or thinking about thinking.

Cognitive Abilities

Mental skills that include the capacity to learn, remember, solve problems, and make decisions.

Stimuli

External elements or occurrences that can produce a physical or behavioral response in an organism.