Thursday HW

Thursdays HW = Stumps/Larvae Worksheet

• Please complete the "Unit 2: Bivariate Data!" worksheet provided in class or linked below. AND ALWAYS CHECK YOUR ANSWERS! (Also linked below)
• You must write a complete sentence and fully attempt the last two questions to receive hw credit--use your resources!
• Thursday’s homework!
• Questions a, d, and e are all based on using your graphing calculator!
• The instructions in your textbook are based on an older calculator (TI83), so if you have a newer (TI84) or a Casio calculator you'll have to google this and (maybe) watch a video
• Google: "how to create scatter plot on a _____"
• Google: "how to find correlation on a _____"
• Google: "how to find the linear regression equation on a ______"
• Or, watch AP Stat Guy Unit 2 Videos #1 and 2!
• The answer to question (C) on the key is not great...here's a better version:
• c.) The association between the number of stumps and the number of beetle larvae is positive, roughly linear, and moderately strong with r = 0.916; as the number of stumps increases, the number of beetle larvae increases.
• Need help with interpreting slope?
• Check out this AP Stat Guy Video about interpreting slope/y int!
• AP Stat Guy: Interpret Slope and YInt
• You must interpret slope/yint in a complete sentence to earn full credit!
• Homework answer key:
• Tuesday HW ANSWER KEY
• ALWAYS CHECK YOUR HOMEWORK ANSWERS! (CLICK THE LINK ABOVE!)

Tomorrow we'll wrap up any/all correlation notes and start to talk about interpreting slope and y-intercept. See you there!