Table 4: Observed Values 0-4 Hours of 4-8 Hours of 8+ Hours of Total Sleep Sleep Sleep Drink Coffee 9 10 6 25 Daily Do Not Drink 5 8 12 25 Coffee Total 14 18 18 50 Table 3 displays the original and observed data for this experiment. It will be used as a basis for the Chi Squared test. Table 5: Calculations for Expected Values 0-4 Hours of 4-8 Hours of 8+ Hours of Total Sleep Sleep Sleep Drink Coffee 14X25 18X25 18X25 25 Daily 50 50 50 Do Not Drink 14X25 18X25 18X25 25 Coffee 50 50 50 Total 14 18 18 50 Table 4 demonstrates the calculations for each of the expected values based on the observed values. Table 6: Expected Values 0-4 Hours of 4-8 Hours of 8+ Hours of Total Sleep Sleep Sleep Drink Coffee 7 9 9 25 Daily Do Not Drink 7 9 9 25 Coffee Total 14 18 18 50 Table 5 illustrates what the expected Values were for this experiment found through the calculations in Table 4. X2= (9-7)2 + (10-9)2 + (6-9)2 +(5-7)2 + (8-9)2 + (12-9)2
Table 4: Observed Values 0-4 Hours of Sleep 4-8 Hours of Sleep 8+ Hours of Sleep Total Drink Coffee Daily 9 10 6 25 Do Not Drink Coffee 5 8 12 25 Total 14 18 18 50 Table 3 displays the original and observed data for this experiment. It will be used as a basis for the Chi Squared test. Table 5: Calculations for Expected Values 0-4 Hours of Sleep 4-8 Hours of Sleep 8+ Hours of Sleep Total Drink Coffee Daily 14X25 50 18X25 50 18X25 50 25 Do Not Drink Coffee 14X25 50 18X25 50 18X25 50 25 Total 14 18 18 50 Table 4 demonstrates the calculations for each of the expected values based on the observed values. Table 6: Expected Values 0-4 Hours of Sleep 4-8 Hours of Sleep 8+ Hours of Sleep Total Drink Coffee Daily 7 9 9 25 Do Not Drink Coffee 7 9 9 25 Total 14 18 18 50 Table 5 illustrates what the expected Values were for this experiment found through the calculations in Table 4. X2= (9-7)2 + (10-9)2 + (6-9)2 +(5-7)2 + (8-9)2 + (12-9)2