(a) Find the standard error of the mean for each sampling situation (assuming a normal population). (Round your answers to 2 decimal places.)
Standard
Error..
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(a) o = 48, n = 16
(b) o = 48, n = 64
(c) 0 = 48, n = 256

The graph represents the gallons of water in a water tank with respect to the number of hours since it was completely filled

Acylinder has volume 45π and radius 3. what is it’s height?

Ascientist wants to use a model to present the results of his detailed scientific investigation. why would a model be useful? a )because the model makes the concepts easier to understand b) because the model is easy to put together and to use c) because the model prevents other scientists from asking questions d) because the model requires the audience to pay full attention to it i don't know what to choose because between a and d a is much more likely than d because it only wants to get the attention of the audience. i'm confuse.