ANOVA - Example 18 (p.306 CFAI

Good morning,

Would highly appreciate if anyone could clarify the solutions 1 & 2 to this question. Thanks!

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I am simply lost here…

Thank you!

Don’t have time to walk through the problem, sorry.

The bold text is absolutely, 100% an incorrect statement by the CFAI, which I had previously written to them about and they claimed they fixed. They are flat out incorrectly interpreting the p-value as a posterior (think, post-data) probability of the null hypothesis-- which is entirely incorrect; they can make no such statement about “…the probability that the true value of this coefficient is…”

What page and volume of the text is this? What is the question number and subpart if applicable?

Hi, It is from 2019 Curriculum at page 306 - Example 18, solution to question 2.