What is the key difference between the t-test for independent samples test and the t-test for the dependent samples t-test?

QUESTION 1
Imagine that you were asked to describe the idea of ‘statistical significance’ to a family member or friend who has not taken statistics. How would you describe it?

QUESTION 2
In your own words, what is the key difference between the t-test for independent samples test and the t-test for the dependent samples t-test?

QUESTION 3
You have been asked to examine the relationship between two variables. The variables are listed below including the question and available responses.
-Respondent’s Age (How old are you? With an open ended response)
-Respondent’s Job Satisfaction (Are you satisfied with your job? Yes or No).

Formally state the research and null hypotheses of these variables

QUESTION 4
You have been asked to examine the relationship between two variables. The variables are listed below including the question and available responses.
-Respondent’s Age (How old are you? With an open ended response)
-Respondent’s Job Satisfaction (Are you satisfied with your job? Yes or No).

What would be an appropriate statistical test to examine this relationship. Be sure to explain your answer.

QUESTION 5
Thinking about your answers to questions 3 and 4. What would need to change in your example in order for the Analysis of Variance to be the appropriate statistical test?

Online book link: https://onlinestatbook.com/2/index.html (This assignment covers material from chapters 9, 10, 11, 12 & 15.)

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