OpenStax, Statistics §11.2 Goodness-of-Fit Test · Exercise 2 · Statistics · Chi-square tests
Goodness-of-Fit Test · Exercise 2
Determine the appropriate test to be used in the next three exercises.
An economist is deriving a model to predict outcomes on the stock market. He creates a list of expected points on the stock market index for the next two weeks. At the close of each day’s trading, he records the actual points on the index. He wants to see how well his model matched what actually happened.
OpenStax, Statistics · §11.2 Goodness-of-Fit Test · Exercise 2
Stuck? A gentle nudge
No hints for this one.
Your working
Check your full solution
Upload photos of your handwritten work or a PDF, and Lemma will read it and tell you whether it's right — and where it first goes wrong if not.