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Hypothesis Testing in Mushroom Growth

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Questions and Answers

What is the independent variable in the mushroom cultivation experiment?

The growth rate of mushrooms

The color and shape of the mushrooms

The size of the mushrooms

The substrate used for cultivation (correct)

Which of the following represents the null hypothesis in the experiment?

There is a significant difference in growth rates between substrates.

There is no difference between the growth rates of mushrooms in different substrates. (correct)

Combination of dried banana leaves and sawdust will enhance mushroom growth.

Dried banana leaves will lead to faster mushroom growth.

What are the dependent variables in this experiment?

Substrate type and harvesting time

Time taken for colonization and mushroom characteristics (correct)

Color and shape of the substrates

Temperature and humidity

Which statement about the control group is correct in this experiment?

<p>The control group uses sawdust to compare with the experimental group.</p> Signup and view all the answers

What is a qualitative variable in this mushroom cultivation experiment?

<p>Shape and firmness of the mushrooms</p> Signup and view all the answers

Study Notes

Hypothesis Testing

Null hypothesis: No difference in growth rate between mushrooms grown in dried banana leaves and sawdust.
Alternative hypothesis: Dried banana leaves are more effective than sawdust.

Variables

Independent variable: Substrate type (dried banana leaves or sawdust).
Dependent variable: Quantitative - number of days to colonize, mushroom size, and number of mushrooms grown. Qualitative - color, shape, and firmness of mushrooms.

Experimental Groups

Experimental group 1: Dried banana leaves.
Experimental group 2: Combination of banana leaves and sawdust.

Control Group

Control group 1: Sawdust only.

Constants

Temperature, humidity, light, and harvesting time.

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Description

Explore the concepts of hypothesis testing through the growth of mushrooms in different substrates. This quiz covers variables, experimental groups, control, and constants, emphasizing the differences in growth rates and mushroom characteristics. Test your understanding of these scientific principles.