I just understand the concept and have spend too much time, still no luck

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I just understand the concept and have spend too much time, still no luck. One hypothesis I have is this: My claim here is that the efficiency of my work increases if I stop using social media for 30days. By efficiency here I mean the proportion of tasks I have completed in 30 days. I don't know how to go from there.

 

Develop a null and an alternative hypothesis for a decision that is relevant to your life. This decision can be personal or professional. Share your null and alternative hypotheses with your peers in this week's discussion. Be sure to include the following in your post. Define/discuss:

1)All variables (include numerical values for your variables);

2)The appropriate test statistic, and if it is a one- or two-tailed test;

3)Your selection process;

4)The Type I and Type II errors that could occur with your decision?making process;