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Excel

The correlation coefficient is a measure of how closely two variables are related. It can be calculated in Excel by using the CORREL function. The CORREL function takes two arrays (or lists) of data as input, and calculates the correlation coefficient for them.

The correlation coefficient ranges from -1 to 1. A correlation coefficient of -1 indicates a perfect negative correlation, while a correlation coefficient of 1 indicates a perfect positive correlation. A correlation coefficient of 0 indicates that there is no correlation between the two variables.

To calculate the correlation coefficient in Excel, you can use the following steps:

1. Enter the data for the two variables into two columns in Excel.

2. In the first cell of a new column, enter the formula =CORREL(B1:B2,C1:C2). This will calculate the correlation coefficient for the two columns of data.

3. Copy the formula down the column to calculate the correlation coefficient for all of the data.

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