SCENARIO 12-6 According to an Article in Marketing News,fewer Checks Are Being

question 100

True/False

SCENARIO 12-6
According to an article in Marketing News,fewer checks are being written at the grocery store checkout than in the past.To determine whether there is a difference in the proportion of shoppers who pay by check among three consecutive years at a 0.05 level of significance,the results of a survey of 500 shoppers in three consecutive years are obtained and presented below.

-Referring to Scenario 12-6,there is sufficient evidence to conclude that the proportions between year 1 and year 2 are different at a 0.05 level of significance.

---

Definitions:

Separation Threshold

The minimum distance or difference between stimuli detectable by the sensory system.

Response Threshold

It is the minimal amount of stimulus intensity required for a neuron to fire a response or for a specific response criterion to be met in behavior.

Psychophysics

The scientific study of the relationship between stimuli (which are physical) and the sensations and perceptions they produce in the observer.

Physical Energy

The capacity to perform work or to produce physical changes within the body or environment, stemming from physical or chemical resources.