Chapter CSB1.16, Problem 1E

a.

To determine

To form: A matrix for the given data.

Answer to Problem 1E

  $T=\left[\begin{array}{ccccc}76& 79& 71& 69& 74\\ 46& 51& 43& 53& 48\end{array}\right]$

Explanation of Solution

Given information:

Following data is provided:

  

Let the name of matrix be T. The given data represented through T will be as follows:

  $T=\left[\begin{array}{ccccc}76& 79& 71& 69& 74\\ 46& 51& 43& 53& 48\end{array}\right]$

In the above matrix row represents high and low value and columns represents days.

b.

To determine

To write: The dimensions of the matrix.

Answer to Problem 1E

  $2\times 5$

Explanation of Solution

The dimensions of any matrix are number of rows × number of columns.

Therefore dimensions of matrix will be $2\times 5$ .

c.

To determine

To find: The element in the first row, fourth column of matrix and state the data represented by it.

Answer to Problem 1E

Required element = 69 and it represents the value of high temperature on Thursday.

Explanation of Solution

Element in first row and fourth column is marked below.

  $T=\left[\begin{array}{ccccc}76& 79& 71& \boxed{69}& 74\\ 46& 51& 43& 53& 48\end{array}\right]$

Thus the required element is 69. This element represents the value of high temperature and Thursday.