Summary Description. Assemble, install, or maintain solar photovoltaic (PV) systems on roofs or other structures in compliance with site assessment and schematics. May include measuring, cutting, assembling, and bolting structural framing and solar modules. May perform minor electrical work such as current checks.
IFERROR(value, value_if_error) The IFERROR function syntax has the following arguments: Value Required. The argument that is checked for an error. Value_if_error Required. The value to return if the formula evaluates to an error.
Hit enter, and OK to calculate the standard deviation. 4. With the cursor still on the same cell, now click in the formula bar at the top of the spreadsheet (the white box next to the = sign) to put the cursor in that bar so you can edit the formula. 5. Put a (in front of STDEV and a) at the end of the formula. Add a / sign to indicated you are dividing this standard deviation. Put 2 sets of parentheses (()) after the division symbol. Put the cursor in the middle of the inner set of parentheses.