Two's Day HW

Tonight's homework is fairly short--so make sure you put in a legit, AP-exam level effort!

1.) Interpret slope and yintercept" half sheet (or look below, or linked below) 

• The linear regression equation for the relationship between the "number of hours of sleep the previous night" and "time to complete a task (in minutes)" is below. Use the equation to interpret the slope and y-intercept. 
• predicted completion time = 12 - 0.36(hrs. sleep previous night)

2.) Please complete the 3 SAT MC (linked below if you need it). SHOW ALL WORK for questions 5 and 7 to earn homework credit!

• If you use 1Var Stat for #5 just write "1 Var Stat" and "Median = ___" as your work
• Or, if you just use the graph, mark up the graph as your work for #5
• For #7 just show the subtraction

Here's a link to the homework questions if you lost yours or were out:

• 3 SAT MC and Interpret Slope, YInt HW

Tomorrow's stamp will be to score your interpretations and AP MC using a provided scoring rubric/key. Then we'll start to get more into residuals and what "best fit" actually means--see you there!

Also, if you're curious, here's our tentative plan for the rest of the unit:

• Weds (10/23): What does best fit mean? + Residuals and residual plots (ch. 8)
• Thurs (10/24): What does best fit mean? + Residuals and residual plots (ch. 8)
• Fri (10/25): What does the coefficient of determination (R^2) tell us? (ch. 8) + How can we read a linear regression computer output? (ch. 8)
• Mon (10/28): AP FR Group Work (ch. 7/8)
• Tues (10/29): How can we write the equation of the LSRL algebraically? (ch. 8) + AP MC
• Weds (10/30: Ch. 8 Vocab Quiz, Ch. 8 Wrap Up
• Thurs (10/31): Ch. 8 Interpret Quiz + Ch. 9 Intro (Outliers, Leverage, Influential Points)
• Fri (11/1): Outliers, Leverage, Influential Points (ch. 9)
• Mon (11/4): Outliers, Leverage, Influential Points Wrap Up (ch. 9), What does re-expressing data mean? (ch. 10)
• Tues (11/5): Re-expressing data (ch. 10)
• Weds (11/6): Unit 2 Vocabulary Exam (25 min) + Review
• Thurs (11/7): Unit 2 AP FR and AP MC Exam
• Fri (11/8): Probability Intro Classwork! (new unit; ch. 14) 
• *Note: I will be out on this day; you will have a graded classwork with the sub

After this unit we'll be a little ahead of last year's pace, which is fantastic! Last year we started probability on November 16th; this pace will have us starting probability on November 12th.