A random sample of 10 universities gave the following data on student-to-faculty ratio and graduation rate. a) Find the line of best fit for this set of data. 3a. _____________ b) Predict the graduation rate at a university with a student-to-faculty ratio of 16. 3b.______________   S/F ratio graduation rate

Match the definition to the correct vocabulary word. 1. a statistical tool that shows the observed frequencies of two variables; one variable is listed in a row and another variable is listed in columns 2. when a relative frequency is determined by a row or column 3. the ratio of a frequency of a particular category to the entire set of data 4. the ratio of the sum of the joint frequencies in a row of a column over the total number of data values 5. the ratio of individual occurrences over the total occurrences   a. joint frequency b. relative frequency c. marginal frequency d. two-way table e. conditional relative frequency

B. What is the best predicted temperature for a time when a bug is chirping at the rate of 3000 chirps per​ minute?   The best predicted temperature when a bug is chirping at 3000 chirps per minute is____°F.   C. What is wrong with this predicted​ value?  The first variable should have been the dependent variable. It is unrealistically high. The value 3000 is far outside of the range of observed values. It is only an approximation. An unrounded value would be considered accurate. Nothing is wrong with this value. It can be treated as an accurate prediction.

P3