EN.601.491/691 Human-Robot Interaction

Assignment 5: Inferential Statistics Basic Information

1）数据准备（如有必要）

2）假设检查

3）计算

4）事后测试

5）结果

6）数据准备（如有必要）

7）假设检查

8）计算

9）事后测试

10）结果

This is an individual assignment; you have to complete and turn in this assignment by yourself. Your turn-in should be one zip file following the naming convention “HRI- Assignment5-FirstNameLastName.” The zip file should contain your R code and the data file.

Description

Inferential statistics use statistical models to help you compare your sample data to other samples or to previous research. Most research uses statistical models called the Generalized Linear model and include Student’s t-tests, ANOVA (Analysis of Variance), regression analysis and various other models that result in straight-line (“linear“) probabilities and results.

I would like you to find your own data from Kaggle (https://www.kaggle.com/datasets) or any other places of your interest. Please get a data that has large number of sample size (at least 100). Attach your data along with your R code when submitting the work. Make sure to leave comments on your script for easy read and evaluation.

A hypothesis is used to explain a phenomenon or predict a relationship in communication research. There are four evaluation criteria that a hypothesis must meet. First, it must state an expected relationship between variables. Second, it must be testable and falsifiable; researchers must be able to test whether a hypothesis is truth or false. Third, it should be consistent with the existing body of knowledge. Finally, it should be stated as simply and concisely as possible.

Formulating a hypothesis requires a specific, testable, and predictable statement driven by theoretical guidance and/or prior evidence. A hypothesis can be formulated in various research designs. In experimental settings, researchers compare two or more groups of research participants to investigate the differences of the research outcomes.

In the research setting, hypothesis questions are formed before collecting data. However, for the purpose of this assignment, I want you to take a look at your dataset and formulate two hypotheses for Task 2 and Task 3.

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