Find the Error
Independent and Dependent Variables
Analysis
100

What's wrong with this x-axis scale?

Unevenly spaced.

100

Something that the scientist changes. 

What is the independent variable?
100

What is the trend of this graph?

Between weeks 1 and 4 there was an increase in quiz grades. There was a decrease between weeks 4 and 5, and then another increase in grades between weeks 6 and 8.
200
What is wrong with the y-axis scale?

Does not start by the value you're counting by.

200

I want to see which blood type is most likely to get bit by a mosquito. The number of bug bites is the _____.

What is the dependent variable?

200

What is the trend of this graph?

There was an increase in earnings between Monday and Tuesday, and then a decrease between Tuesday adn Wednesday. Between Wednesday and Saturday there was an increase in earnings before a decrease between Saturday and Sunday.

300
What's wrong with this graph?

Y-axis scale is poor and uneven.

300

Typically found on the Y-axis.

What is the dependent variable?

300
Where the biggest change in temperature is.

What is between 2PM and 5PM?

400

What are 2 errors on this graph?

1. scales are backwards

2. plotting is backwards

3. y-axis scale is poor

400

Typically found on the left side of a data table.

What is the independent variable?

400

I hate crowds. This is the best day of the week for me to get ice cream.

What is Monday?

500
What's so bad about this graph?

The y-axis scale should be much smaller.

500

Why do we only change one independent variable at a time?

For more accurate results. By only changing one thing, we are able to clearly see what effect it had on our experiment.

500

True or False: On average, I make more money than I spend.

True!

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