Sleep PatternsJohnny Espinoza

Comparing Sleeping and Fighting patterns

3 4 5 6 7 8 9 10 11 120

0.2

0.4

0.6

0.8

1

1.2

Sleep Vs. Fights

FIGHT

Sleep Hours

Fig

hts

Correlation Coefficient

Correlation Coefficient= -0.046447

Decent negative coefficient relationship

Lies right in between 0 and -1 which indicates that it has a decent relationship but not the strongest negative relationship

Hypothesis Test

x-value sample 1 11 x-value sample 2 7

for the proportion proportion 1 20.0% proportion 2 35.0%pooled proportion 0.240 sample size 1 55 sample size 2 20

No fights Fights triggered

std error 0.112

Does sleep deprivation trigger fights between couples?NULL: p1 = p2 Sleep deprivation does not trigger fights between married couplesALTERNATIVE: p1 >< p2 Sleep deprivation does trigger fights between married couples

one-tailed or two tailed? 2enter 1 or 2 above

test statistic (obs) -1.35critical measure 1.960

|obs| > critical?? NO

p-value 0.24 a-level 0.05 ←enter alpha level here

p-value < a-level?? NODO NOT REJECT THE NULLSLEEP DEPRIVATION DOES NOT TRIGGER FIGHTS BETWEEN MARRIED COUPLES

HYPOTHESIS TESTS

Conclusion

Ted had a tendency to fight with his wife no matter what

Sleep did not trigger any fights