A test is being conducted to test the difference between two population means using data that are gathered from a matched pairs experiment. If the paired differences are normal, then the distribution used for testing is the:
a. normal distribution.
b. binomial distribution.
c. Student t-distribution.
d. F-distribution.
Question 2
The time series component that reflects variability over short repetitive time periods and has duration of less than one year is called:
a. long-term trend c. seasonal variation
b. cyclical variation d. random variation
Interaction web of factors that might influence locust population size.
Abiotic factors influence population densities.
How to find the quartiles and percentiles for a data set
The obturator test
Data management questions
Test-cross analysis of F1 plants