Prices and sizes of 100 diamonds were collected. The data in four scatterplots, each using either a linear or a log scale for the X and Y axis. Which of the types of models would be the most accurate at predicting the price of a diamond based on the size (carat)?
Need to know which:
Linear
Exponential
Logarithmic
Power
The slope of a log-log plot gives the power of the relationship, and a straight line is an indication that a definite power relationship exists.
Therefore option 4
Prices and sizes of 100 diamonds were collected. The data in four scatterplots, each using either...
Using the NMR specturm included, fill in the correct chemical
shift (ppm) for each letter of the molecule above.
D. E. 300 MHz 'H NMR In CDC13 1.2 1.1 1.0 0.9 0.8 0.7 0.6 0.5 0.4 0.3 0.2 0.1 0.0 -0.1 4.0 3.5 3.0 2.5 2.0 1.5 1.0 0.5
Multiple trials are a standard for any experiment. Variations in the data collected during each trial are reported by the use of statistics. Below is a set of data collected for the calibration of a spectrometric experiment that relates the concentration of a solution to the absorbance. The relationship is given by the Beers-Lambert Law, A = εbc, where A is the absorbance, ε is the molar absorptivity, b is the path length of the spectrometer and c is the...
Questions 1. Given the H NMR spectrum and molec- ular formula for each of the following compounds, deduce the structure of the compound, estimate the chemical shifts of all its protons using the parameters in Tables 22.3–22.5, and assign the NMR sig- nals to their respective protons. (a) C.H,,Cl; 1H NMR (CDC12): 8 3.33 (2H, s); 1.10 (9H, s) (b) C-H,,0,; 1H NMR (CDC12): 8 3.88 (1H, s); 2.25 (3H, s); 1.40 (6H, s) (C) CH,,0,; 1H NMR (CDC1,): 8...
Post lab 1. From the experimental data in tables 1 and 2, obtain the following; a. Input characteristics - plots of VBE (x-axis) vs Ib (y-axis) with constant values VCE b. Output characteristics - plots of VCE (x-axis) vs Ic (y- axis) with constant values of Ib. c. Dynamic input resistance and output resistance 2. DC current gain () of the transistor and compare this value with that of the value given in the datasheet. 3. What are the uses...
please show all work
2. (12 pts) A shaft w ith a step in diameter is made of SAE 1045 steel. It is required to withstand 107 cycles kN. The shaft has 2(a), di 25 mm, d2-30 mhm, and ρ :0.625 mm. Use Peterson's fitted on (equation below) for a value of a. Modification factors shall be applied for the following of an axial force amplitude P, 16kN applied along with a mean force of Pm dimensions, as in Figu...
Need to find the identity of the unknown compound using this
information.
Boiling point: 187
%C: 79.37
%H: 8.88
Bromine test: no reaction
Permanganate: no reaction
Jones Oxidation: no reaction
Sodium Hydroxide: no reaction
13C NMR Common Name: IUPAC Name: CAS No.: Zoom Out Solvent: BP: MP: 1.00 0.90 0.80 0.70 0.60 0.50 0.40 0.30 0.20 0.10 0.00 140 120 100 80 60 40 20 0 OK SAVE 1H NMR Common Name: IUPAC Name: CAS No.: Zoom Out Solvent: BP:...
Write a Java program which uses the LWJGL library to draw a window of 640x480 (with a black background). The coordinate system should be centered in this window. Your program will read a file titled coordinates.txt and draw the corresponding filled polygon in this window using the scanline polygon fill algorithm. Each specified polygon should be filled in the color specified in the text file and then undergo the transformations specified in the input file before being drawn on the...
assignment 1a-d in Python. please explain your steps, thanks in
advance. This is the only information that we got for this practice
exercise, my teacher said that we should try to get the output
literally as in the example.
Assignment 1 (a: 1 point; b: 1 point; c: 2 points; d: 2 points) Your goal is to implement functions fac(n), cos1(x, n) and cos2 (x, n) and a small test program in the file A1.py and to test the functions...
PROBLEM 4 (20 pts) Water at 25 °C is used to cool oil from 120 °C to 80 °C. Oil flows at a rate of 1 kg/s in a tube of inside diameter 1.6 cm and outside diameter 1.9 cm. The tube makes 18 passes in a shell. Water flows through the shell at a rate of 1.5 kg/s. The water side heat transfer coefficient is 12,000 W/m2°C. Oil properties at 100 °C are: Cp = 2219J/(kg.), k = 0.137...
Please explain every step as clearly and detailed as
possible.
B Frequency Response Modeling Frequency response modeling of a linear system is based on the premise that the dynamics of a linear system can be recovered from a knowledge of how the system responds to sinusoidal inputs. (This will be made mathematically precise in Theorem 13.) In other words, to determine (or iden- tify) a linear system, all one has to do is observe how the system reacts to sinusoidal...