Hypotheses are tentative explanations of observed phenomena.

The analysis of variance (ANOVA) tests hypotheses about the population variance.

中国大学MOOC: Teaching principles are the guiding ideology of teaching hypotheses and teaching process, teaching hypotheses are the theoretical support of teaching process, and teaching process is the realization form of teaching principles and teaching hypotheses.

Analysis of variance (ANOVA) models test hypotheses about the population variance.

The analysis of variance (ANOVA) tests hypotheses about the population variance. A: 正确 B: 错误

科学方法的四大基本要素不包括()。 A: Characterizations B: Hypotheses C: Presentments D: Experiments

17. ________ several hypotheses have been made for the changing of the climate in the area, no conclusive evidence supports any of them.

质询是属于科学方法四大基本要素的()。 A: Hypotheses B: Characterizations C: Experiments D: Presentments

中国大学MOOC: Since hypotheses are often put forward in scientific writings, conditional clauses are in wide use in EST.

In the study of linguistics, hypotheses formed should be based on language facts and checked against the observed facts. A: 正确 B: 错误