- Check The Following Spss Output And Answer The Bit Questions Given Below This Output Tor Predictor Constant Hours Iq B 1 (57.92 KiB) Viewed 28 times
Check the following SPSS output and answer the bit questions, given below this output. tor Predictor Constant HOURS IQ BOOKS Coef -49.948 1.06931 1.36460 2.03982 Stdev 41.55 0.98163 0.37627 1.50799 0.67332 t-ratio -1.20 1.09 р 0.268 0.312 0.008 0.218 0.319 AGE 3.63 1.35 -2.67 -1.79890 S = 11.657 R- sg 76.7% (a) What is the best-fitting regression equation for these data? (b) What percentage of the variation in grades is explained by this equation? (c) What grade would you expect for a 21-year-old student with an IQ of 113, who studied 5 hours and used three different books? d) Can we conclude, if regression model is significant? e) what is standard error of IQ?