Hypothesis testing provides a method to reject a null hypothesis within a certain confidence level. ... The null hypothesis is that the mean return is not 8% for the mutual fund.

However, if the mean of the sample is not likely to be significantly greater than 2% (and remains at, say, around 2.2%), then we CANNOT reject the null hypothesis. The challenge comes on how to ...

When your BI analysis leads to failing to reject the null hypothesis, it's crucial to reassess the data and decision-making processes. This outcome does not necessarily mean that there is no ...

Spread the loveThe null hypothesis is an essential concept in statistical analysis and hypothesis testing, often denoted as H0. The null hypothesis states that there is no significant difference ...

The t-test is a widely used statistical method for determining whether there is a significant difference between the means of two groups. It is often employed in various fields, including psychology, ...

The p-value returned was less than the alpha-value we defined in Step 3, meaning we can reject the null hypothesis and state that the model performed significantly above chance. The analogous R code ...

It's the initial building block in the scientific method. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. A scientific hypothesis is a ...

What we can do instead is reject the null hypothesis, supporting the alternative hypothesis. It just so happens that it is easier to disprove a hypothesis than to positively prove one.

p-value less than 0.05, reject the Null Hypothesis, meaning either Cost or City Fuel Efficiency have statistically different Means between two different Vehicle Models. Two-Way ANOVA p-value less than ...