Question

In: Statistics and Probability

Fill in the blanks with whether the variable is “independent” or ‘dependent”. A scientist studies the...

Fill in the blanks with whether the variable is “independent” or ‘dependent”.

A scientist studies the impact of a drug on cancer. The ___________ variables are the administration of the drug - the dosage and the timing. The ____________ variable is the impact the drug has on cancer.

A scientist studies the impact of withholding affection on rats. The ____________ variable is the amount of affection. The ____________ variable is the reaction of the rats.

A scientist studies how many days people can eat soup until they get sick. The ____________ variable is the number of days of consuming soup. The ____________ variable is the onset of illness.

In a study to determine whether how long a student sleeps affects test scores, the _____________ variable is length of time spent sleeping while the ____________ variable is the test score.

You want to compare brands of paper towels, to see which holds the most liquid. The ____________ variable in your experiment would be the brand of paper towel. The ____________ variable would be the amount of liquid absorbed by a paper towel.

Solutions

Expert Solution

Solution: A scientist studies the impact of a drug on cancer. The Independent variables are the administration of the drug - the dosage and the timing. The dependent variable is the impact the drug has on cancer.

A scientist studies the impact of withholding affection on rats. The independent variable is the amount of affection. The dependent variable is the reaction of the rats.

A scientist studies how many days people can eat soup until they get sick. The independent variable is the number of days of consuming soup. The dependent variable is the onset of illness.

In a study to determine whether how long a student sleeps affects test scores, the independent variable is length of time spent sleeping while the dependent variable is the test score.

You want to compare brands of paper towels, to see which holds the most liquid. The indpendent variable in your experiment would be the brand of paper towel. The dependent variable would be the amount of liquid absorbed by a paper towel.


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