I Have Observed That Some of the Bad Smell in My

question 48

Multiple Choice

I have observed that some of the bad smell in my house is caused by my cat.Which of the following observations would allow me to use the method of residues to show that there is a second cause of the bad smell?

• A)finding a piece of rotting cheese under the refrigerator
• B)pouring different amounts of sour milk onto surfaces in different rooms to see whether the smell changes or not
• C)confining the cat to a bedroom and then observing how quickly the smell of the bedroom changes
• D)cleaning the house thoroughly and then observing whether or not the smell changes
• E)removing the cat from the house and then observing whether the bad smell remains

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Definitions:

Technique

A specific method or way of doing something, often referring to a skillful or efficient way of accomplishing a task.

Populations

In statistics, it refers to the entire group of individuals or items that is the subject of a study.

Categories

Categories refer to classes or divisions in a classification system that group items, ideas, or entities based on common characteristics or attributes.

Chi-squared Goodness-of-fit

Chi-squared Goodness-of-fit tests how well observed data matches the expected data distribution in categories.