How do you do a linear trend interpolation in Excel? Fill in linear trend or growth trend values manually Select the cell where you want to start the series. On the Home tab, in the

## How do you do a linear trend interpolation in Excel?

Fill in linear trend or growth trend values manually

- Select the cell where you want to start the series.
- On the Home tab, in the Editing group, click Fill, and then click Series.
- Do one of the following:
- In the Step value box, enter the value that you want to increase the series by.

**Does Excel do linear interpolation?**

To perform linear interpolation in Excel, use the FORECAST function to interpolate between two pairs of x- and y-values directly. This simple method works when there are only two pairs of x- and y-values. If there are more than 2 pairs, the calculation is more complex.

### What is the formula to Roundup in excel?

Example

Formula | Description (Result) |
---|---|

=ROUNDUP(76.9,0) | Rounds 76.9 up to zero decimal places. |

=ROUNDUP(3.14159, 3) | Rounds 3.14159 up to three decimal places. |

=ROUNDUP(-3.14159, 1) | Rounds -3.14159 up to one decimal place. |

=ROUNDUP(31415.92654, -2) | Rounds 31415.92654 up to 2 decimal places to the left of the decimal point. |

**How do you find trending data in excel?**

Add a trendline

- Select a chart.
- Select the + to the top right of the chart.
- Select Trendline. Note: Excel displays the Trendline option only if you select a chart that has more than one data series without selecting a data series.
- In the Add Trendline dialog box, select any data series options you want, and click OK.

#### How do you calculate interpolation value in Excel?

To use it either:

- Copy the formula above into Excel and replace KnownX and KnownY with the cell reference for the tabulated x and y values and NewX with the x-value to interpolate, OR.
- Define names for the KnownX and KnownY ranges (Insert→Name→Define… in Excel 2003) and replace NewX with the x-value to interpolate.

**How do you find trends in data in Excel?**