A misleading graph is a statistical graph that is not drawn appropriately. This type of graph can misrepresent data and lead to false conclusions. Sales for Company 130 (a) Explain why the graph is misleading. (b) Redraw the graph so that it is not misleading. 90- 3rd 2nd 1st 4th Quarter (a) Choose the correct answer below. O A. There is a gap between the quarter values. O B. The large gap in the vertical axis makes it appear that the sales for the 3rd quarter are disproportionately larger than the other quarters. O C. The area for the 3rd quarter sales is drawn artificially larger than the area for the other quarters. Sales (in $1000)
A misleading graph is a statistical graph that is not drawn appropriately. This type of graph can misrepresent data and lead to false conclusions. Sales for Company 130 (a) Explain why the graph is misleading. (b) Redraw the graph so that it is not misleading. 90- 3rd 2nd 1st 4th Quarter (a) Choose the correct answer below. O A. There is a gap between the quarter values. O B. The large gap in the vertical axis makes it appear that the sales for the 3rd quarter are disproportionately larger than the other quarters. O C. The area for the 3rd quarter sales is drawn artificially larger than the area for the other quarters. Sales (in $1000)
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Option D for part A is : the quarters displayed out of order
Transcribed Image Text:The image presents a task involving graph analysis and redesign. It includes the following components:
**Task Description:**
(a) Explain why the graph is misleading.
(b) Redraw the graph so that it is not misleading.
**Graph Details:**
1. **Upper Graph:**
- Title: Sales for Company A
- X-Axis: Quarter (3rd, 2nd, 1st, 4th)
- Y-Axis: Sales (in $1000)
- The graph appears to have inconsistent scaling, which could be misleading.
2. **Options A, B, and C (Lower Graphs):**
- **Option A:**
- Title: Sales for Company A
- The bars show a decreasing trend from the 3rd quarter to the 4th quarter.
- The Y-axis starts at 90, which might exaggerate differences in the bar heights.
- **Option B:**
- Title: Sales for Company A
- Bars are displayed with a different sequence, showing different scaling.
- Y-axis starts at 90, similar to Option A.
- **Option C:**
- Title: Sales for Company A
- The bars have a consistent length, suggesting uniform sales across quarters.
- The Y-axis starts at 0, offering a clearer perspective on sales figures.
The task likely involves identifying how the scaling and presentation can skew perception and then adjusting the graph to present the data more accurately. Each option provides varying interpretations of the same dataset.
Transcribed Image Text:**Misleading Graphs in Statistics**
A misleading graph is a statistical graph that is not drawn appropriately. This type of graph can misrepresent data and lead to false conclusions.
**(a) Explain why the graph is misleading.**
The graph is misleading because the large gap in the vertical axis makes it appear that the sales for the 3rd quarter are disproportionately larger than the other quarters.
**(b) Redraw the graph so that it is not misleading.**
To make the graph not misleading, the vertical axis should be adjusted to start from zero or have a consistent scale, ensuring the differences in sales are visually proportional and accurate.
**Graph Description:**
- **Title:** Sales for Company A
- **Vertical Axis:** Sales (in $1,000)
- **Horizontal Axis:** Quarters (1st, 2nd, 3rd, 4th)
The bar graph shows sales for different quarters with the 3rd quarter bar appearing significantly taller due to the altered vertical axis range starting from 90 instead of 0.
**(a) Choose the correct answer below.**
- A. There is a gap between the quarter values.
- B. The large gap in the vertical axis makes it appear that the sales for the 3rd quarter are disproportionately larger than the other quarters.
- C. The area for the 3rd quarter sales is drawn artificially larger than the area for the other quarters.
**Correct Answer:** B. The large gap in the vertical axis makes it appear that the sales for the 3rd quarter are disproportionately larger than the other quarters.
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