Null and alternative hypotheses are statements about
a. population parameters.
b. sample parameters.
c. sample statistics.
d. it depends - sometimes population parameters and sometimes sample statistics.
Question 2
The standard deviation of the sampling distribution for a sample mean depends on the value(s) of
a. the sample size and the population standard deviation.
b. the sample size but not the population standard deviation.
c. the population standard deviation but not the sample size
d. neither the sample size nor the population standard deviation.
World human population growth through history illustrates an exponential growth pattern.
Worldwide Variations in Population and Income Levels Developed countries represent only 18% of the
The recent mass upheavals in Tunisia, Egypt, Libya, Yemen, and Syria gave political scientists a cha
Population distribution (dispersion)
World population density
Typical bacterial population growth curve showing the initial lag phase