I have an xbar of 1000 and an Sx of 103. I have a random sample of 30. I am trying to figure out if this is an adequate sample without knowing the total population in an office. Can you lead me to a useable equation?
Type of Sampling - Numbering all the items and then drawing numbers from a hat to determine which ones to test would be called what?
a. random sampling
b. stratified sampling
c. systematic sampling
d. cluster sampli ...
Type of Sampling - A researcher divided up his population into five groups: Northeast, Southeast, Midwest, Southwest, and Northwest. What is this type of sampling technique called?
a. random sampling
b. stratified ...
Name that technique - What is the technique called that uses random numbers and probabilities to represent real life situations?
a. stratified
b. sampling
c. simulation
d. systematic
SAMPLING DISTRIBUTIONS - What are sampling distributions? How do they assist in marketing?