HP Prime Graphing NW280AAABA manual Statistics 2Var app 225

Models: Prime Graphing NW280AAABA

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5.Select a fit:

From the Type 1 field select a fit. In this example, select Linear.

6.If you want to choose a color for the graph of the data in Plot view,

see “Choose a color for plots” on page 85.

7.If you have more than one analysis defined in Symbolic view, deselect any analysis you are not currently interested in.

Explore statistics 8. Find the correlation, r, between advertising time and sales:

M

The correlation is r=0.8995…

9.Find the mean advertising time ( x ).

The mean advertising time,

x, is 3.33333… minutes.

Statistics 2Var app

225

Page 229
Image 229
HP Prime Graphing NW280AAABA manual Statistics 2Var app 225