Load Fisher’s iris data set in Python from sklearn datasets using the command iris = datasets. load_iris(), then taking the transpose of the iris. data array. We will refer to the 4 x 150 dataset as irisInputs. 1. (10 points) Using a 2 x 2 subplot, plot a histogram for each row of irisInputs. Which dimension (row) has the greatest variance? 2. (5 points) Find and report (print) the mean of the dataset. This should be a 1x4 row with a mean value for each dimension in the dataset. 3. (10 points) Create a zero-meaned data matrix Z. You can do this by subtracting the mean column from every column of irisInputs. Hint: you can create a matrix that replicates the mean n times using np. tile(). Report your code only (do not output Z or the mean matrix). 4. (5 points) Calculate the covariance matrix of Z (You can do this by multiplying every element of Z by every other element of Z, then dividing by the number of samples – 1). C = np. matmul(Z, Z.T)/(n-1) Report the size of your covariance matrix C. Is the size correct?

Jasper and samantha are in a robotics competition. the guidelines state that the robots should be able to move a 10-gram weight at least 2 meters and turn in a circle. jasper and samantha have already built the robot. which step of the design process should they follow next to decide whether their robot meets the minimum criteria for the competition?

This first part of the film shows the early history of motion pictures. how accurate do you think the portrayal of the early motion picture industry is? why? is historical accuracy important in films and theatre productions? explain. in the scene where don is going to the party (starting at time code 14: 51), we see a street scene as he first rides with cosmo and then with kathy. what aspects did the filmmaker include to make the scene look and feel like don, cosmo, and kathy are riding in a car on a street? think about elements such as scenery, sound, props, lighting, and so on. a "talkie" picture is shown starting around time code 21: 15. how does the audience in the film react to the "talkie"? what influence do audiences have on film and theatre performances? how do film and theatre actors influence audiences? in the musical scene with cosmo (starting at time code 27: 00), how does the actor use props? what is the result? do you think the use of props effectively fulfilled the artistic vision for this musical number? why or why not?

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