Three Bulbs Have Power Ratings for Use on a 120

question 19

Multiple Choice

Three bulbs have power ratings for use on a 120 volt line: 60 watt, 100 watt and 150 watt. The one with the largest value of resistance has power rating

• A) 150 W.
• B) 100 W.
• C) 60 W.
• D) All have the same resistance.

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Definitions:

Chi-Square Test

A statistical test used to determine the significance of an observed association between two categorical variables.

Statistical Test

A method used to determine the significance or importance of data differences or relationships through mathematical calculations.

Independent Variables

Factors in an experiment that are intentionally varied to observe their impact on other variables, essentially the same as an independent variable but rephrased.

One-Way Analysis

Often refers to one-way analysis of variance (ANOVA), a statistical method used to compare the means of three or more samples using variances.