Statistics | Senioritis

John Rhodes
June 21, 2023
Statistics

Statistical Significance Vs Effect Size In Math: Importance Of Cohen’S D And Correlation Coefficients

T/F: statistical significance doesn’t tell you about the MAGNITUDE of the effect 1 True. Statistical significance indicates whether an observed effect is likely to be real and...

John Rhodes
June 21, 2023
Statistics

Maximizing Accurate Representations: The Impact Of Sample Size On Statistical Significance In Mathematics

T/F: b/c large random samples have SMALL chance variation, very small population effects can be highly significant if the sample is large 1 True. Large random samples...

John Rhodes
June 21, 2023
Statistics

Maximizing Statistical Power: Importance Of Large Sample Sizes In Math Research

T/F: b/c small random samples have a lot of chance variation, even large population effects can fail to be significant if the sample is small 1 True....

John Rhodes
June 21, 2023
Statistics

Boost Your Statistical Analysis: The Power Of A Test And Its Importance In Study Design

The __________________ of a test against a specific alternative is the probability that the test will reject H0 at a chosen significance level α when the specified...

John Rhodes
June 21, 2023
Statistics

Significance Level In Hypothesis Testing: Importance And Implications In Math

T/F: A smaller significance level requires stronger evidence to reject the null hypothesis. 1 True. The significance level, also known as alpha level, is the probability of...

John Rhodes
June 21, 2023
Statistics

Factors Affecting Sample Size In Hypothesis Testing For Math: Dispelling Misconceptions On One-Sided Vs. Two-Sided Alternatives

T/F: At any significance level and desired power, a two-sided alternative requires a larger sample than a one-sided alternative. 1 False. The size of a sample required...

John Rhodes
June 21, 2023
Statistics

How Higher Power Can Make Or Break Statistical Analysis In Mathematics

T/F: higher power gives a better chance of detecting an effect when it is really there. 1 True. Higher power increases the likelihood of detecting a true...

John Rhodes
June 21, 2023
Statistics

Calculating X Bar (X̄): The Mean Value Of A Data Set

x bar Sample mean ( measures the center ) X bar (x̄) is a statistical symbol that represents the average or mean value of a data set....