4. A professor wanted to be able to predict exam score based on how many homework problems students works, so she collected the following data. # Homework 7 12 1 16 25 Problems Worked Exam Score .68 .86 05 37 29 .89 (out of 1 or 100%) What are the response and explanatory variables in this case? Sketch a scatterplot of the data. Be sure to put the predictor/explanatory/independent variable along the horizontal axis and the dependent/response variable along the vertical (as always). 1,

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