Question

3 part question:

Mrs. Arnold and Mr. Katz polled their classes about the hand that students prefer for writing and other tasks. The table below represents their results. Write a matrix that represents the results for Mrs Arnold.



Write a matrix which represents the results for Mr. Katz.


Write a matrix which represents the totals for the females and males if the two classes are combined.

see attachment

Answer 1

Mrs. Arnold Results:

2 0 15
3 1 12

The full thing within square brackets.

Mrs. Katz Results:

1 1 13
2 1 14

The full thing within square brackets.

Now, the combined list would mean adding them up:

2+1 0+1 15+13
3+2 1+1 12+14

3 1 28
5 2 26

Full thing within square brackets.

Please do ask questions if you come up with any.