Assume you measured the position of an object in second intervals at t and seconds, and obtained x and meters respectively.

Enter these data into an Excel spreadsheet and produce a graph of position versus time, as in studio session Add a trendline, and Choose \"Linear\" \"Display equation on chart\". Format the trendline label so that it shows decimal places.

The slope of this trendline represents the average speed of the object. What is this average speed?

Enter a number with digits behind the decimal point.