How is Jarque-Bera calculated?

How is Jarque-Bera calculated?

The formula for the Jarque-Bera test statistic (usually shortened to just JB test statistic) is: JB = n [(√b1)2 / 6 + (b2 – 3)2 / 24].

How does EViews show descriptive statistics?

To carry out the test, simply double click on the series and select View/Descriptive Statistics & Tests/Empirical Distribution Tests… from the series window.

How do you calculate Jarque Bera in Excel?

Use the following steps to perform a Jarque-Bera test for a given dataset in Excel….Jarque-Bera test in Excel

1. Step 1: Input the data. First, input the dataset into one column:
2. Step 2: Calculate the Jarque-Bera Test Statistic. Next, calculate the JB test statistic.
3. Step 3: Calculate the p-value of the test.

What is p-value in Jarque Bera test?

The test p-value reflects the probability of accepting the null hypothesis. If it’s too low then you reject it. You must set the confidence level, for instance α=5%, then reject the null if p-value is below this α. In your case p-value is over 50%, which is too high to reject the null.

What is the null hypothesis for Jarque Bera test?

The null hypothesis is a joint hypothesis of the skewness being zero and the excess kurtosis being zero. Samples from a normal distribution have an expected skewness of 0 and an expected excess kurtosis of 0 (which is the same as a kurtosis of 3).

How do you read a normality test?

If the Sig. value of the Shapiro-Wilk Test is greater than 0.05, the data is normal. If it is below 0.05, the data significantly deviate from a normal distribution.

How do you interpret descriptive analysis?

Interpret the key results for Descriptive Statistics

1. Step 1: Describe the size of your sample.
2. Step 2: Describe the center of your data.
3. Step 3: Describe the spread of your data.
4. Step 4: Assess the shape and spread of your data distribution.
5. Compare data from different groups.

How do I calculate normality in Excel?

Normality Test Using Microsoft Excel

1. Select Data > Data Analysis > Descriptive Statistics.
2. Click OK.
3. Click in the Input Range box and select your input range using the mouse.
4. In this case, the data is grouped by columns.
5. Select to output information in a new worksheet.