6. Circle the letter that best describes the association in the scatterplot below. A) Strong positive correlation B) Weak positive correlation Prevalence of sarcoptic mange C) Strong negative correlation D) Weak negative correlation Relative humidity For each graph below, determine the correlation that best describes each scatterplot. Record the letter in the blank. One choice will not be used. A. -1 B. -0.8 C. -0.2 D. O E. 0.4 F. 0.8 G. 1 9. 10. 11. 12. Activate Windows Go to Settings to activate Windows.Name: Score: STATS EXPRESS LOCK 2.5 Daily Graded Problem Refer to the Beach Visitors graph on the right for questions 1 - 4. Beach Visitors 1a. What is the explanatory variable? 600 525 450 375 Visitors b. What is the response variable? 300 225 150 75 2. Draw an appropriate trend line. 0 80 84 88 92 96 3. Using your trend line, estimate how Average Daily Temperature ("F) many visitors are expected at the beach when the temperature is 88 degrees? 4. Describe the graph in terms of shape, trend, and strength. Circle the best answer. Shape: Linear or nonlinear. Trend: As the average daily temperature increases, the # of visitors increases. As the average daily temperature increases, the # of visitors decreases. Strength: Strong, Moderate, Weak 5. Circle the letter that best describes the association in the scatterplot below. Best Buy 1500 7 A) Strong positive correlation 1250 1000 B) Weak positive correlation Prices per TV 750 - 500 250 C) Strong negative correlation 10 20 30 40 51 D) Weak negative correlation Number of TV's (Over)