Use the Following to Answer the Question

question 68

Multiple Choice

Use the following to answer the question:
-The graph shows the temperature of a 1.0-g sample of material as heat is added to it.The material is initially a solid at 10ºC.The pressure remains constant,and there is no chemical change.The specific heat of the liquid phase is

• A)0.84 cal/g · Cº
• B)0.25 cal/g · Cº
• C)1.6 cal/g · Cº
• D)1.7 cal/g · Cº
• E)None of these is correct.

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Definitions:

Blocking

A technique used in experimental design to reduce sources of variability within a test by grouping experimental units that are similar in ways that are expected to affect the response to the treatments.

Extraneous Factors

These are variables that affect the relationship between the independent and dependent variables but are not the variables of interest in the study.

Two-way ANOVA

Two-way ANOVA is a statistical test that analyzes the effect of two independent categorical variables on a dependent variable, allowing for the assessment of interactions between factors.

Treatments

In experimental design, refers to the different conditions applied to groups of subjects to observe their effects on some outcome.