Chapter 11.2, Problem 12PPS

(a)

To determine

To find: The box and the whisker plot for the centre and the spread of the data.

Answer to Problem 12PPS

Therequired graph is shown in Figure 3

Explanation of Solution

Given:

Thepoints scored are $83,76,86,82,84,57,86,62,90,96,76,89,76,88,86,86,92,94$ .

Calculation:

Press STAT select the edit option and enter the x and y values as shown in Figure 1

  

Figure 1

Press the 2^nd and the y- button and select the option 1 on the On plot 1 as shown in Figure 2

  

Figure 2

Press the graph key and trace the graph as shown in Figure 3

  

Figure 3

(b)

To determine

To find: The box and the whisker plot that reflects the change and describe the center and spread of the new data set.

Answer to Problem 12PPS

The plot is shown in Figure 6

Explanation of Solution

Given:

Thescores are 0, 2, 1 and 0 in the first four games.

Calculation:

Press STAT select the edit option and enter the x and y values as shown in Figure 4

  

Figure 4

Press the 2^nd and the y- button and select the option 1 on the On plot 1 as shown in Figure 5

  

Figure 5

Press the graph key and trace the graph as shown in Figure 6

  

Figure 6