class: center, middle, inverse, title-slide # Exam 01 Review ### Prof. Maria Tackett ### 02.24.20 --- class: middle, center ### [Click for PDF of slides](10-exam-01-review.pdf) --- ### Announcements - HW 03 **due TODAY at 11:59p** - Lab 06 - Spatial regression due **Tuesday at 11:59p** - <font color = "blue">Sign Up for DataFest!</font> 🗓 April 3 - 5 📍 Penn Pavilion 🔗 [stat.duke.edu/datafest](https://www.stat.duke.edu/datafest) --- ### Exam I Outline - Multiple choice, true/fallse, short answer questions - Permitted to bring one sheet of <u>handwritten notes</u> (front and back) + Must show your notes to me or TA when you turn in exam. + Points deducted if notes are not handwritten - Calculator **not** permitted on exam - Please use blue or black ink pen and write carefully! --- ### Topics - Regression Basics + Interpreting coefficients + Inference for regression + Predicted values and the appropriate interval + Regression assumptions - ANOVA to compare group means --- ### Topics - Indicator variables and interaction terms - Transformations on response variable + Determining if transformation is required + Interpreting coefficients on log-transformed and original scales + Calculating predicted values on log-transformed and original scales --- class: middle, center ## Questions? --- class: middle, center ## Practice --- ### Diamonds analysis - Sit with your lab group. - Write your responses to each question. - You can download the .Rmd file [here](http://www2.stat.duke.edu/courses/Spring20/sta210.001/slides/lec-slides/10-exam-01-review-exercises.Rmd) and open it in RStudio if you wish to type your responses directly in the R Markdown file. - We will spend a few minutes on each section, then select a few groups to share their responses. --- class: middle, center ### [Part I: Analysis of Variance](http://www2.stat.duke.edu/courses/Spring20/sta210.001/slides/lec-slides/10-exam-01-review-exercises.html) <div class="countdown" id="timer_5e531313" style="right:33%;bottom:20%;" data-warnwhen="60"> <code class="countdown-time"><span class="countdown-digits minutes">10</span><span class="countdown-digits colon">:</span><span class="countdown-digits seconds">00</span></code> </div> --- class: middle, center ### [Part II: Original Model](http://www2.stat.duke.edu/courses/Spring20/sta210.001/slides/lec-slides/10-exam-01-review-exercises.html#part_ii:_original_model) <div class="countdown" id="timer_5e5311ed" style="right:33%;bottom:20%;" data-warnwhen="60"> <code class="countdown-time"><span class="countdown-digits minutes">10</span><span class="countdown-digits colon">:</span><span class="countdown-digits seconds">00</span></code> </div> --- class: middle, center ### [Part III: Model with Log-Transformed Response](http://www2.stat.duke.edu/courses/Spring20/sta210.001/slides/lec-slides/10-exam-01-review-exercises.html#part_iii:_model_with_log-transformed_response) <div class="countdown" id="timer_5e530fc6" style="right:33%;bottom:20%;" data-warnwhen="60"> <code class="countdown-time"><span class="countdown-digits minutes">10</span><span class="countdown-digits colon">:</span><span class="countdown-digits seconds">00</span></code> </div>