Nutttttt
How to make standard curve?
1 Input your data in excel
C:\Users\Qing\AppData\Local\Temp\1542746864.png
2 select all the data and insert the Scatter charts C:\Users\Qing\AppData\Local\Temp\1542746940(1).png
C:\Users\Qing\AppData\Local\Temp\1542746960(1).png
3 Double-click one of the points in the chart, it will show some options
C:\Users\Qing\AppData\Local\Temp\1542747160(1).png
4 Click Add Chart Element-Trendline- Linear
C:\Users\Qing\AppData\Local\Temp\1542747239(1).png
5 Click Display Equation on chart, and display R-squared value on chart
C:\Users\Qing\AppData\Local\Temp\1542747289(1).png