Ill give a medal and its multiple choice, please help me out

There are 2500 ducks. Which of the following is true if the number of ducks is included in the data set?

The standard deviation increases.

The range decreases.

The mean increases.

The interquartile range decreases.

I know its not b or c .

Question

Ill give a medal and its multiple choice, please help me out

There are 2500 ducks.  Which of the following is true if the number of ducks is included in the data set?

		
The standard deviation increases.

		
The range decreases.

		
The mean increases.

		
The interquartile range decreases.

I know its not b or c .

anonymous · Answer

attachment

cwrw238 · Answer

the number of ducks is small relative to the total of the animals

cwrw238 · Answer

right - its not b or c

mathmate · Answer

I suspect the descriptive part of the question has not been posted.
You need to know the details of the experiment,  which is the population, the standard deviation/range/IQR of what is being calculated.

anonymous · Answer

Thats all of the question.

anonymous · Answer

The attachment has the chart if you didnt see ,

cwrw238 · Answer

the standard deviation is a measure of the spread of data and the mean will decrease

cwrw238 · Answer

so i think that means the standard deviation will increase

anonymous · Answer

Thank you .

cwrw238 · Answer

yw