Answer:
differences
Explanation:
a pretest/protest experimental design is that which involve the taking down or recording down of measurements before and after a treatment.pretest-posttest designs are a more suitable experimental design that is usually used when comparing participant groups and also measuring the differences or the degree of change that happens as a result of treatments. there are various forms/ways of analyzing an experimental data of which there is the t-test. t-test is usually used to measure the differences between two groups in an experiment.
comparison of the differences as a form of data analysis of the two variable(husband/wife) in a pretest/protest design using the t-test will show you if its a directional hypothesis or a non directional hypothesis and also clearing shows the relationship when comparing the two variables.
Don’t quote me on this but I believe that it is b
The new number, 200, is 400 less than the original number. What is the approximate percent change?
Because mesopotamia had a lot of empires
Explanation:
В.Erosion causes tropical climates in Africa to
change into desert climates that cannot
support life.
