Sept12practice Writing Hypotheses PDF | PDF - Free Printable

The task is to convert the given questions into hypotheses using the "If-Then" format. A hypothesis is a statement that predicts the relationship between two variables: the independent variable (what you change) and the dependent variable (what you measure). Here's how to approach each question:

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Guidelines for Writing Hypotheses

1. Identify the independent variable (the factor being changed or manipulated).
2. Identify the dependent variable (the factor being measured or observed).
3. Use the "If-Then" structure:
- If (something happens to the independent variable), then (this will happen to the dependent variable).

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Solutions

#### 1. How does the amount of daylight affect the number of eggs laid by a chicken?
- Independent Variable: Amount of daylight
- Dependent Variable: Number of eggs laid by a chicken
- Hypothesis:
If the amount of daylight increases, then the number of eggs laid by a chicken will increase.

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#### 2. How does classroom temperature affect students’ performance in a test?
- Independent Variable: Classroom temperature
- Dependent Variable: Students’ performance in a test
- Hypothesis:
If the classroom temperature is kept at an optimal level (e.g., 70°F), then students’ performance in a test will improve.

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#### 3. How will batting practice affect a player’s batting average?
- Independent Variable: Batting practice
- Dependent Variable: Player’s batting average
- Hypothesis:
If a player engages in regular batting practice, then their batting average will improve.

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#### 4. How does advertising affect the sales of Orbit White?
- Independent Variable: Advertising
- Dependent Variable: Sales of Orbit White
- Hypothesis:
If the frequency or intensity of advertising for Orbit White increases, then the sales of Orbit White will increase.

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#### 5. Does adding fertilizer affect the growth of a plant?
- Independent Variable: Adding fertilizer
- Dependent Variable: Growth of a plant
- Hypothesis:
If fertilizer is added to the soil, then the growth of the plant will increase.

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Final Answers

1. If the amount of daylight increases, then the number of eggs laid by a chicken will increase.
2. If the classroom temperature is kept at an optimal level (e.g., 70°F), then students’ performance in a test will improve.
3. If a player engages in regular batting practice, then their batting average will improve.
4. If the frequency or intensity of advertising for Orbit White increases, then the sales of Orbit White will increase.
5. If fertilizer is added to the soil, then the growth of the plant will increase.

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Boxed Final Answer

\[
\boxed{
\begin{aligned}
1. & \text{ If the amount of daylight increases, then the number of eggs laid by a chicken will increase.} \\
2. & \text{ If the classroom temperature is kept at an optimal level (e.g., 70°F), then students’ performance in a test will improve.} \\
3. & \text{ If a player engages in regular batting practice, then their batting average will improve.} \\
4. & \text{ If the frequency or intensity of advertising for Orbit White increases, then the sales of Orbit White will increase.} \\
5. & \text{ If fertilizer is added to the soil, then the growth of the plant will increase.}
\end{aligned}
}
\]