A psychologist found that, on average, the rate of learning a list of special symbols in a code N′(x) after x days of practice was given approximately by the following table values:

Use left and right sums over three equal subintervals to approximate the area under the graph of N′(x) from x = 6 to x = 12. Calculate an error bound for this estimate.

Transcribed Image Text:

2 4 8 10 12 N'(x) 29 26 23 21 19 17 15