Answer Happy

The following data show the number of hours x studied for an exam and the grade y received on the exam for ten students х 1 1 23 نما 3 4 4 5 6 7 у 65 69 77 75 80 88 83 90 90 93 1. find S. 2. find Syy 3. find Sxy ssy re 4. calculate Pearson's product moment VSK • suy 5. calculate b 6. calculate a 7. find the line of best fit y = a + bx 8. estimate y when x = 4.5 9. estimate y when x = 0.5 10. The critical value ofr is .632 for n = 10 and 95% confidence. Thus, what can you say about the strength of the linear relationship based upon your answer to problem #4 ? (Perform the 5 step test of hypothesis)

The following gives the relationship between variables x and y. х 4 3 2 1 0 у 1 3 5 7 9 11. find S 12. find Swy 13. find Sxy 14. calculate Pearson's product moment 15. calculate b 16. calculate a 17. find the line of best fit y = a + bx 18. estimate y when x = 2.5 19. estimate y when x = 3 20. The critical value of r is.878 for n = 5 and 95% confidence. Thus, what can you say about the strength of the linear relationship based upon your answer to problem #14? (Perform the 5 step test of hypothesis)