The pH in a reactor varies sinusoidally over the course of a day. Use least-squares regression to

Question:

The pH in a reactor varies sinusoidally over the course of a day. Use least-squares regression to fit Eq. (19.11) to the following data. Use your fit to determine the mean, amplitude, and time of maximumpH.

Fantastic news! We've Found the answer you've been seeking!

Step by Step Answer:

Related Book For book-img-for-question

Numerical Methods For Engineers

ISBN: 9780071244299

5th Edition

Authors: Steven C. Chapra, Raymond P. Canale

See More Books

Question Posted: Dec 13, 2011 08:50 AM

See More Questions

Given the following data, use least squares regression to derive a trend equation: Period: 1 2 9 3 4 5 6 Demand: 7 9 5 11 10 13 The least squares regression equation that shows the best relationship...
The following regression was fitted by least squares to 30 annual observations on time-series data: where yt = number of business failures x1t = rate of unemployment x2t = short-term interest rate...
Determine the equation of the least squares regression line to predict y from the following data. a. Construct a 95% confidence interval to estimate the mean y value for x = 60. b. Construct a 95%...
Explain the Mechanism & routes of administration of SEDDS (Self emulsifying drug delivery system).
How are interest rates and the level of investment made by businesses related?
In Fig. 4.72, find the length c of the chord in terms of r and the angle /2. Fig. 4.72 0
For the garage-band model in Problem 7 of Chapter 11, suppose that the expected crowd is normally distributed with a mean of 3,000 and standard deviation of 200. Use the NORM.INV function and a...
According to Stanford mathematics and statistics professor Persi Diaconis, the probability a flipped coin that starts out heads up will also land heads up is 0.51. Suppose you want to test this. More...
How does the capital market make money on Hurricanes? Describe the securitization process and give an example based on hurricanes.
A ride hailing company has their DB structured in 3 major tables as described in the SCHEMA section below. Write a query to fetch the top 100 users who traveled the most distance using the service....
Use the portion of the given steam table for superheated H 2 O at 200 MPa to (a) Find the corresponding entropy s for a specific volume v of 0.108 m 3 /kg with linear interpolation, (b) Find the same...
The solar radiation for Tucson, Arizona, has been tabulated as Assuming each month is 30 days long, fit a sinusoid to this data. Use the resulting equation to predict the radiation inmid-August. |J F...
Auditors are often concerned that liabilities may be understated as a result of unrecorded payables. On the other hand, auditors may be concerned that liabilities are overstated as a result of...
Problem 228: The derivative is dz dt = = atb where a , and b =
Write a Python program which will take N names from the user. Create a dictionary from the N names that will hold First_name, Middle_name and Last_name in separate keys. The inputs will take N at...
2 Finding Poles and Zeros from a Bode Plot Consider the magnitude portion of the Bode plot in Figure 3. Based on the linear approxi- mation in red, find the transfer function G(s). 5 0 -5 10 -10 -15...
Indicate whether the following statements are "TRUE" or "FALSE" 1- Financial accounting is considered to be the backbone to top management. 2- Cost accounting identifies, summarizes and interprets...
Refer to case 3 shown above. Assume that Beta Division is now receiving an 3% price discount from the outside supplier. a. What is Alpha Division's lowest acceptable transfer price? b. What is Beta...
Discuss cultural theories that can guide the analysis of consumer culture.
A superior criticized a sales manager for selling high-revenue, low-profit items instead of lower-revenue but higher-profit items. The sales manager responded, My income is based on commissions that...
Given the chemical equation for the combustion of methane, CH 4 , balance the equation and interpret the coefficients in terms of (a) Moles (b) Liters: CH4(g) + O(g) spark CO(g) + HO(g)
Consider Exercise 9-8, and suppose that the sample size is increased to n = 16. (a) Where would the boundary of the critical region be placed if the type I error probability were to remain equal to...
A manufacturer is interested in the output voltage of a power supply used in a PC. Output voltage is assumed to be normally distributed, with standard deviation 0.25 Volts, and the manufacturer...
Rework Exercise 9-12 when the sample size is 16 and the boundaries of the acceptance region do not change.
Green Lawn Company sells garden supplies. Management is planning its cash needs for the second quarter. The following information has been assembled to assist in preparing a cash budget for the...
eBook Question Content Area Comparison of Methods of Allocation Duweynie Pottery, Inc., is divided into two operating divisions: Pottery and Retail. The company allocates Power and General Factory...
TYBALT CONSTRUCTION Income Statement For Year Ended December 31 TYBALT CONSTRUCTION Income Statement For Year Ended December 31

The pH in a reactor varies sinusoidally over the course of a day. Use least-squares regression to

Question:

Time, h 0 2 4 5 7 9 12 15 20 22 24 7.6 7.2 7 6.5 7.5 7.2 89 9.1 8.9 7.9 7 pH

Step by Step Answer:

The angular frequency can be computed as w 0 2 p 24 0261799 The various summations required for the ...View the full answer

Numerical Methods For Engineers

Students also viewed these Numerical Analysis questions