Sampling distributions of means are always
a. approximately normally distributed.
b. positively skewed.
c. negatively skewed.
d. more variable than the population from which the samples were drawn.
Question 2
A sampling distribution of means is an approximately normal distribution
a. regardless of the shape of the raw score distribution.
b. only when the shape of the raw score distribution is approximately normal.
c. only when the raw score population mean is equal to the sample mean.
d. if an infinite number of samples is used.
Bipolar disease. The term bipolar means “pertaining to two poles.” The individual with this form of
Central Tendency in Skewed Distributions
A sphere represented by means of modeling.
Temperature Means and Ranges
Approximately 40 percent of farmers in the United States are 55 years old or older
A sampling of bacterial diversity. Most bacteria do not cause disease.