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DATA 8 <<<<Correlation, Regression, and Least Squares GRADED A

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Homework 7: Correlation, Regression, and Least Squares This assignment is due Thursday, November 9 at 11:59PM. You will receive an early submission bonus point if you turn it in by Wednesday, November 8 at 11:59PM. Directly sharing answers is not okay, but discussing problems with course staff or with other students is encouraged. Passing the automatic tests does not guarantee full credit on any question. The tests are provided to help catch some common errors, but it is your responsibility to answer the questions correctly. Reading: Textbook chapter 12 (https://www.inferentialthinking.com/chapters/12/why-the-mean-matters.html) (for review) Textbook chapter 13 (https://www.inferentialthinking.com/chapters/13/prediction.html) Run the cell below to prepare the notebook. In [8]: # Run this cell to set up the notebook, but please don't change it. import numpy as np from datascience import * # These lines do some fancy plotting magic. import matplotlib %matplotlib inline import matplotlib.pyplot as plt plt.style.use('fivethirtyeight') import warnings warnings.simplefilter('ignore', FutureWarning) from matplotlib import patches from ipywidgets import interact, interactive, fixed import ipywidgets as widgets # Don't change this cell; just run it. from client.api.notebook import Notebook ok = Notebook('hw07.ok') ok.auth(inline=True); When you are finished, run the following cell to submit your work. ===================================================================== Assignment: Homework 7: Correlation, Regression, and Least Squares OK, version v1.12.5 ===================================================================== In [128]: ok.submit(); 1. Evaluating NBA Game Predictions A brief introduction to sports betting In a basketball game, each team scores some number of points. Conventionally, the team playing at its own arena is called the "home team," and the other team is called the "away team." The winner is the team with the most points. We can summarize what happened in a game by the "outcome", defined as

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