The Question Below Refers to the Following Situation

question 20

Short Answer

The question below refers to the following situation:
A valet parking attendant is interested in whether daytime temperature affects the size of tips. To study this question, she records the size of the tip given by her customers on 3 extremely hot summer days, 3 warm spring days, and 3 cold winter days. Complete an analysis of variance to test the differences between mean tips with significance (α = .05), to determine if the groups differ from each other.
Calculate the total sum of squares.

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Definitions:

Observational Methods

Research techniques that involve watching and recording the behaviors of subjects in their natural environment without interference.

Participant Observation

A qualitative research method involving the immersion of the researcher in the environment of the subjects being studied, often while participating in their activities.

Social Situation

The immediate physical and social setting in which people are involved that influences their thoughts, feelings, and behaviors.

Research Designs

Systematic plans used by researchers to gather, measure, and analyze data for a study.