A Recipe Submitted to a Magazine by One of Its $$\begin{array} { l l l l l l l l l l } 54 & 55 & 58 & 59 & 59 & 60 & 61 & 61 & 62 & 65\end{array}$$

question 53

Essay

A recipe submitted to a magazine by one of its subscribers states that the mean baking time for a cheesecake is 55 minutes. A test kitchen preparing the recipe before it is published in the magazine makes the cheesecake 10 times at different times of the day in different ovens. The following baking times (in minutes) are observed. $$\begin{array} { l l l l l l l l l l } 54 & 55 & 58 & 59 & 59 & 60 & 61 & 61 & 62 & 65\end{array}$$ Assume that the baking times belong to a normal population. Test the null hypothesis that the mean baking time is 55 minutes against the alternative hypothesis μ > 55. Use α = .05.

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Definitions:

Academic Psychologists

Professionals who study, teach, and conduct research on various aspects of human behavior and mental processes within an academic setting.

Psychometrics

The field of study concerned with the theory and technique of psychological measurement, including the development of tests to assess personality, abilities, and attitudes.

Sensation and Perception

Sensation is the process by which our sensory receptors and nervous system receive stimuli from the environment, while perception is the process of organizing and interpreting sensory information.

Clinical Work

The practical application of medical and psychological principles and methods to diagnose, treat, and prevent illness or dysfunction.