Sixty-five randomly selected car salespersons were asked the number of cars they generally sell in one week. Thirteen people answered that they generally sell three cars; twenty generally sell four cars; twelve generally sell five cars; ten generally sell six cars; ten generally sell seven cars. a. Complete the table. Enter the exact answers. Data Value Frequency Relative Frequency Cumulative Relative Frequency (# cars) 3 Number Number Number 4 Number Number Number Number Number Number Number Number Number 7 Number Number Number

Sixty-five randomly selected car salespersons were asked the number of cars they generally sell in one week. Thirteen people answered that they generally sell three cars; twenty generally sell four cars; twelve generally sell five cars; ten generally sell six cars; ten generally sell seven cars. a. Complete the table. Enter the exact answers. Data Value Frequency Relative Frequency Cumulative Relative Frequency (# cars) 3 Number Number Number 4 Number Number Number Number Number Number Number Number Number 7 Number Number Number

Advanced Engineering Mathematics

10th Edition

ISBN:9780470458365

Author:Erwin Kreyszig

Publisher:Erwin Kreyszig

Chapter2: Second-order Linear Odes

Section: Chapter Questions

Problem 1RQ

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Question

Hey guys,

Specifically need help with relative frequency and cumulative relative frequency for this table

Thanks in advance!

**Title: Frequency and Relative Frequency Distribution in Sales Data**

In a study of car sales, sixty-five randomly selected car salespersons were asked about the number of cars they typically sell in one week. The responses were as follows:

- Thirteen salespeople reported selling three cars.
- Twenty salespeople reported selling four cars.
- Twelve salespeople reported selling five cars.
- Ten salespeople reported selling six cars.
- Ten salespeople reported selling seven cars.

**Task: Completing the Frequency Table**

To analyze this data, a frequency table is provided below. The table needs to be completed with the frequency, relative frequency, and cumulative relative frequency for each data value.

| Data Value (# cars) | Frequency | Relative Frequency | Cumulative Relative Frequency |
|---------------------|-----------|--------------------|------------------------------|
| 3 | Number | Number | Number |
| 4 | Number | Number | Number |
| 5 | Number | Number | Number |
| 6 | Number | Number | Number |
| 7 | Number | Number | Number |

**Explanations:**

- **Frequency** indicates the number of salespeople who reported selling a certain number of cars.
- **Relative Frequency** is the proportion of salespeople selling a particular number of cars, calculated by dividing the frequency by the total number of salespeople (65).
- **Cumulative Relative Frequency** is the sum of the relative frequencies up to and including the current row in the dataset.

Use this table to analyze the distribution of car sales over a week. Completing the table will provide insights into sales patterns and trends.

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