Question

# 2) Consider the following hypothetical data, where the concentration of product P has been determined as a function of time, then answer the questions on the following page. a. Is

it appropriate to compute SD, SEM and CI for [P] given this set of data?Why or why not? b. Using Excel (or your favorite alternate plotting program), plot the data as a scatter plot with time as the x axis and [P] as the y axis. Format your plot as follows, then print it out and attach to your homework. i. Use a true scatter plot. That is, the data points should not be connected by any sort of line. ii. Choose an appropriate and descriptive title for the graph and axis labels (including units where appropriate). iii. Add a linear best-fit line. Display the equation of the best-fit line and the R^2 value on the plot. iv. Add error bars.Assume a +- 5% error in the measured [P]. Assume the time measurement is exact. C. Comment on the following. i. Based on the R^2 value alone, how good is the linearity of the data? ii. Does the best-fit line pass through all data points, inclusive of the error bars? iii. Would you be satisfied with this data, or would you consider replicating the run?

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