If stats is TRUE, LINEST returns the additional regression statistics
If stats is FALSE or omitted, LINEST returns only the m-coefficients and the constant b.
Input the formula: =LINEST(B2:B5,C2:C5,,FALSE). Press Enter to get the result.

Referenced from Excel Help
21.40.LINEST |
| 21.40.1. | LINEST(y,x,const,stats) returns the parameters of a linear trend |  |