A Survey of Online Consumers Asked Respondents to Indicate How

question 11

Essay

A survey of online consumers asked respondents to indicate how much money they spent for online purchases during the most recent Christmas holiday season. These data were analyzed to see if gender and income level (1 = Low, 2 = Middle, 3 = High) influence the amount consumers spend online for holiday shopping. The two way ANOVA results appear below. a. Is this an experiment or observational study?
b. Are the conditions for two-way ANOVA met?
c. If so, perform the hypothesis tests and state your conclusions in terms of amount spent online, gender and income level.
d. Is it appropriate to interpret the main effects in this case? Explain.

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Definitions:

Mice or Rats

Mice or rats are small rodents known for their adaptability to various environments, often used in scientific research to understand human diseases and conditions.

Cultural Patterns

The shared and learned behaviors, beliefs, and values that are characteristic of a particular society or community.

Internal Validity

The extent to which a study accurately establishes a cause-effect relationship within its controlled variables.

Observer Bias

The distortion of measurement or perception due to the personal beliefs, expectations, or experiences of the researcher or observer.