Brittany Cangero
Assignment 3
Ch. 5 11, 14, 23, 29
11. A- 3/8
B- 4/8
C-0
14. A- .0934
B- .5000
C- .0250
D- .4602
23. SD=3
29. A- 95.8%
B- 4.46%
Ch. 6 1, 12
1.A sampling distribution is a distribution of the mean and the variance for all possible samples
of a given size from a population.
12. If the population standard deviation increases then the standard error also increases. If the
sample size increases then then standard error decreases.
Ch. 7
24. A- 0.125
B- .25
C- 1
25. A- As population variance increases, the value of cohen’s d decreases.
B-As sample size decreases, the value of cohen’s d increases.
C- As sample variance decreases, the value of cohen’s d increases.
D-As the difference between the sample and the population means increase, the value of
cohen’s d also increases.