1. You will need your ticker code for stock prices for this question. Use your ticker code to obtain the closing prices

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1 You Will Need Your Ticker Code For Stock Prices For This Question Use Your Ticker Code To Obtain The Closing Prices 1 (206.24 KiB) Viewed 28 times

1. You will need your ticker code for stock prices for this question. Use your ticker code to obtain the closing prices for the following time period: March 2, 2021 to March 16, 2021 Use the last two digits (the decimals) of the closing price and use them to replace the X.Xs in the following table. Notice that in the dataset a decimal point will separate the two digits. Head width (cm) Biting force (grams/centimer²) 4.31 12X.X 3.92 11X.X 2.56 9X.X 3.72 10X.X 4.21 12X.X 2.95 10X.X 4.74 13X.X 2.84 11X.X Imagine that you are examining the functional relationship between head width (measured in centimeters) and biting force (measured in grams per square centimeters) in the tegu lizard. a) Conduct a linear regression by hand. You will need to show the slope and the intercept of the best-fit line. Also, construct a scatterplot graph with all data-points and trace the best-fit line (if you want you can do the graph in Excel) b) Conduct a hypothesis test for the significance of the slope of the best fit line (ANOVA table). c) Calculate a 95% confidence interval on the slope. d) Calculate the coefficient of determination (1²). Show your work and explain all results!
Close* 119.55 122.80 123.55 123.65 127.75 126.15 129.15 131.95 122.35