Chapter 1, Problem R1.3RE

(a)

To determine

To Explain: the graph gives a misleading impression.

Answer to Problem R1.3RE

Width of the cell phone should be same.

Explanation of Solution

Given:

  

The proportion of the cell-phones is not proportional to the given percents. Width of the all cell phone should be same and height of cell should be varying according to the percentage. Camera percentages are 19% and send/receive text message is 39% which is almost double but cell phone is looking 4 times bigger than camera which is exaggerated.

(b)

To determine

To Explain: that it would be appropriate to make a pie chart to display these data.

Answer to Problem R1.3RE

Not appropriate for pie chart

Explanation of Solution

Given:

  

Calculation:

46% + 39% +19% + 17% = 121%

Adding all the percentage which is not equal to 100% where in pie chart percentage should be 100% which is not appropriate so pie chart is not possible.