Homework Answers
The given graph shows a sinusoidal relationship between the two variables X and Y here. The amplitude of the graph here is 1, while 6 is the period of the graph here. This suggest that as X increases, then Y increases and reaches the amplitude value of +1 when X reaches 1.5 while after this it decreases after x = 1.5 to 3 where it reaches back at point y = 0. Post x = 3, the value of y starts decreasing and goes till - 1 for x = 4.5.
The period of 3 for the graph here shows that the graph repeats itself every 6 units for x here. The amplitude on the other hand gives the maximum and minimum value that y reaches.
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Based on the figure below, what can be stated about the relationship between the two variables,...
The following figure shows the kinematics and vertical component of the ground reaction force dur...
The following figure shows the kinematics and vertical component
of the ground reaction force during a vertical jump. On the figure,
indicate and explain the following events:
(1) Takeoff
(2) Peak vertical velocity
(3) Jump impulse
(4) What is the relationship between force and
acceleration?
Velocity Acceleration Force 1800-24 6 F0.6 120016 4 0.4 Body weight 600-8 2 0.2 0- 0 -600-8 IE-2 -0.2 0.2 0.4 0.6 0.8 Time (s)
Velocity Acceleration Force 1800-24 6 F0.6 120016 4 0.4 Body...
By simply looking at this display how would you describe the relationship between Earnings and Dividends?...
By simply looking at this display how would you describe the
relationship between Earnings and Dividends? Would you say that the
relationship is positive or negative, strong or weak? Do you
believe that a relationship will exist between these
variables?
Fitted Line Plot Earnings = 2.321 - 0.087 Dividends 5 S R-Sq R-Sq(adj) 1.46695 0.196 0.0% 4 Earnings 2 . 1 0 0.0 0.2 0.4 0.6 1.2 1.4 1.6 1.8 0.8 1.0 Dividends
7. You are testing the null hypothesis that there is no linear relationship between two variables,...
7. You are testing the null hypothesis that there is no linear relationship between two variables, X and Y. From your sample of n=18, you determine that b1=4.4 and Sb1=1.7. a. What is the value of tSTAT? b. At the α=0.05 level of significance, what are the critical values? c. Based on your answers to (a) and (b), what statistical decision should you make? d. Construct a 95% confidence interval estimate of the population slope, β1. 8. You are testing...
Question 1: Figure below is symmetrical about the vertical Y axis. Calculate the distance of the...
Question 1: Figure below is symmetrical about the vertical Y axis. Calculate the distance of the centre of area (centroid) of cross section from the base. 1 m 0.2 m 0.6 m 0.2 m X 0.2 m 0.8 m
Please provide MATLAB code and plot, about system response. Will thumbs up. Thanks. Question 1: MATLAB contains a built-...
Please provide MATLAB code and plot, about system response. Will
thumbs up. Thanks.
Question 1: MATLAB contains a built-in function called conv which performs the convolution of two vectors: >> help conv conv Convolution and polynomial multiplication. C - conv(A, B) convolves vectors A and B. The resulting vector is length MAX ([LENGTH (A)+LENGTH (B)-1, LENGTH(A),LENGTH (B) 1) If A and B are vectors of polynomial coefficients, convolving them is equivalent to multiplying the two polynomials. Compute the system response...
If two random variables have the joint density (x + y2), for 0 < x <...
If two random variables have the joint density (x + y2), for 0 < x < 1, 0 < y < 1 0, elsewhere. find the probability that 0.2 < X < 0.5 and 0.4 <Y < 1.6. With reference to the previous Problem 6, find both marginal densities and use them to find the probabilities that a. X > 0.8; b. Y < 1.5.
4) If the bivariate relationship between the two variables remains about the same after controlling for...
4) If the bivariate relationship between the two variables remains about the same after controlling for the effect of one or more causally prior and theoretically relevant variables, then the original bivariate relationship is said to be a(n): (5 points) a. spurious relationship. b. independent association. c. elaborately controlled association. d. direct causal relationship.
Consider the grounded dielectric sheet in figure below. The thickness d 2 mm and its relative per...
Consider the grounded dielectric sheet in figure below. The thickness d 2 mm and its relative permittivity is 3 (1) Numerically calculate the propagation constant of the dominant TM mode using either the Newton-Raphson method or the fzero function of Matlab for wavelength range from d to 100d. (2) Calculate the Ez field at 40 GHz for x ranging from 0 to 5d. Plot the normalized propagation constant and Ez, sample plots are given below Dielectric Ground plane d-1mm, f...
Classify the following signals below. For each signal provide a brief discussion about the conclusions presented:...
Classify the following signals below. For each signal provide a
brief discussion about the conclusions presented:
- Does the signal have energy, power, or neither?
- Is the signal Deterministic or random?
t sin(200nt) x[n] = ein A B 60 250 40 200 20 150 0 um w 100 -20 50 -40 1-15 -10 -5 0 5 10 0 -50 5 0 50 C D 1 0.8 0.5 0.6 Lilar lolit 0.4 0 0.2 m 0 -0.5 -0.2 0.4 -0.6...
If ?(?) = 0.6, ?(?) = 0.2, and ?(?|?) = 0.2, what can we conclude about...
If ?(?) = 0.6, ?(?) = 0.2, and ?(?|?) = 0.2, what can we conclude about the relationship between A and B? If ?(?) = 0.23,?(?|?) = 0.56, what can we conclude about the relationship between A and B? If ?(?) = 1 3 , and ?(? and ?) = 0, what, if anything, can we conclude about the relationship between C and D?
The following figure shows the kinematics and vertical component
of the ground reaction force during a vertical jump. On the figure,
indicate and explain the following events:
(1) Takeoff
(2) Peak vertical velocity
(3) Jump impulse
(4) What is the relationship between force and
acceleration?
Velocity Acceleration Force 1800-24 6 F0.6 120016 4 0.4 Body weight 600-8 2 0.2 0- 0 -600-8 IE-2 -0.2 0.2 0.4 0.6 0.8 Time (s)
Velocity Acceleration Force 1800-24 6 F0.6 120016 4 0.4 Body...
By simply looking at this display how would you describe the
relationship between Earnings and Dividends? Would you say that the
relationship is positive or negative, strong or weak? Do you
believe that a relationship will exist between these
variables?
Fitted Line Plot Earnings = 2.321 - 0.087 Dividends 5 S R-Sq R-Sq(adj) 1.46695 0.196 0.0% 4 Earnings 2 . 1 0 0.0 0.2 0.4 0.6 1.2 1.4 1.6 1.8 0.8 1.0 Dividends
Question 1: Figure below is symmetrical about the vertical Y axis. Calculate the distance of the centre of area (centroid) of cross section from the base. 1 m 0.2 m 0.6 m 0.2 m X 0.2 m 0.8 m
Please provide MATLAB code and plot, about system response. Will
thumbs up. Thanks.
Question 1: MATLAB contains a built-in function called conv which performs the convolution of two vectors: >> help conv conv Convolution and polynomial multiplication. C - conv(A, B) convolves vectors A and B. The resulting vector is length MAX ([LENGTH (A)+LENGTH (B)-1, LENGTH(A),LENGTH (B) 1) If A and B are vectors of polynomial coefficients, convolving them is equivalent to multiplying the two polynomials. Compute the system response...
If two random variables have the joint density (x + y2), for 0 < x < 1, 0 < y < 1 0, elsewhere. find the probability that 0.2 < X < 0.5 and 0.4 <Y < 1.6. With reference to the previous Problem 6, find both marginal densities and use them to find the probabilities that a. X > 0.8; b. Y < 1.5.
Consider the grounded dielectric sheet in figure below. The thickness d 2 mm and its relative permittivity is 3 (1) Numerically calculate the propagation constant of the dominant TM mode using either the Newton-Raphson method or the fzero function of Matlab for wavelength range from d to 100d. (2) Calculate the Ez field at 40 GHz for x ranging from 0 to 5d. Plot the normalized propagation constant and Ez, sample plots are given below Dielectric Ground plane d-1mm, f...
Classify the following signals below. For each signal provide a
brief discussion about the conclusions presented:
- Does the signal have energy, power, or neither?
- Is the signal Deterministic or random?
t sin(200nt) x[n] = ein A B 60 250 40 200 20 150 0 um w 100 -20 50 -40 1-15 -10 -5 0 5 10 0 -50 5 0 50 C D 1 0.8 0.5 0.6 Lilar lolit 0.4 0 0.2 m 0 -0.5 -0.2 0.4 -0.6...
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