Study the given table carefully and answer the questions that follow The following table presents the details about the number of Assistant Software Engineers (ASE), Junior Software Engineers (JSE) and Senior Software Engineers (SSE) employed in five different Software companies (A-E) during the year 2020. Based on the data in the table, answer the question 1-5: Company-wise Number of Software Engineers Software company Software Engineers (SE) Assistant (ASE) Junior (JSE) Senior (SSE) A 150 100 150 B 350 100 200 C 200 150 350 D 250 250 450 E 150 250 350
What is the average number of Junior Software Engineer (JSEs) in all the five Companies?
170
Finding the Average Number of Junior Software Engineers (JSEs)
The question asks us to calculate the average number of Junior Software Engineers (JSEs) across five different software companies (A, B, C, D, and E) based on the data provided in the table.
To find the average, we need to sum the number of JSEs in each company and then divide by the total number of companies, which is 5.
Analyzing the Software Company Data
Let's extract the number of Junior Software Engineers (JSEs) for each company from the table:
- Company A: 100 JSEs
- Company B: 100 JSEs
- Company C: 150 JSEs
- Company D: 250 JSEs
- Company E: 250 JSEs
Calculating the Total Number of JSEs
Now, we sum the number of JSEs from all five companies:
Total JSEs = Number of JSEs in A + Number of JSEs in B + Number of JSEs in C + Number of JSEs in D + Number of JSEs in E
Total JSEs = 100 + 100 + 150 + 250 + 250
Total JSEs = 850
Calculating the Average Number of JSEs
The average is calculated using the formula:
$$ \text{Average} = \frac{\text{Sum of values}}{\text{Number of values}} $$
In this case, the values are the number of JSEs in each company, and the number of values is the number of companies (5).
Average JSEs = $$ \frac{\text{Total number of JSEs}}{\text{Number of companies}} $$
Average JSEs = $$ \frac{850}{5} $$
Average JSEs = 170
Therefore, the average number of Junior Software Engineers (JSEs) in all five companies is 170.
Summary of JSE Data and Calculation
| Software Company | Junior Software Engineers (JSE) |
|---|---|
| A | 100 |
| B | 100 |
| C | 150 |
| D | 250 |
| E | 250 |
| Total | 850 |
Average JSEs = $$ \frac{850}{5} = 170 $$
Revision Table: Software Engineer Data Analysis
| Concept | Description | Formula (Average) |
|---|---|---|
| Average | A measure of central tendency; sum of values divided by the count of values. | $$ \bar{x} = \frac{\sum x}{n} $$ |
| Data Extraction | Identifying and collecting specific data points from a larger dataset (like a table). | N/A |
| Summation | Adding up all the relevant data points. | $$ \sum x $$ |
Additional Information: Understanding Averages and Data Tables
Averages are fundamental in data analysis, providing a single value that represents a typical or central value for a set of numbers. In this case, the average tells us that if the JSEs were distributed equally among the five companies, each company would have 170 JSEs.
Data tables are a structured way to organize information, making it easy to read and extract specific details. When solving problems based on tables, the first step is always to carefully read the table's headings and understand what each column and row represents.
Understanding different types of software engineers (ASE, JSE, SSE) is also helpful context, although only the JSE numbers were needed for this specific average calculation.
- ASE (Assistant Software Engineer): Often entry-level roles.
- JSE (Junior Software Engineer): Typically requires some experience, contributes to coding and projects.
- SSE (Senior Software Engineer): Experienced professionals who lead projects, mentor juniors, and make architectural decisions.
This problem is a basic example of data interpretation and calculation from a structured table, a common type of question in quantitative aptitude tests.
Important Questions from Tabulation
The table shows District-wise data of a number of primary school teachers posted in schools of a city.
Study the table and answer the question:
District
Male teachers
Female teachers
East
1650
2375
North
1075
2651
West
1280
1520
South
1170
1085
Central
690
859
What is the difference between the total number of male teachers in the districts East, North, West taken together and the total number of female teachers in the districts East and South?Table shows income (in Rs. ) received by 4 employees of a company during the month of December 2020 and all their income sources.
Source
Amit
Suresh
Nitin
Varun
Salary
35000
38500
29000
42000
Arrears
6000
6300
5000
7500
Bonus
1000
1100
1000
1240
Overtime
1800
1950
1400
1500
What is the ratio of salary of Varun to his income other than salary?Study the table and answer the question:
Income (Rs.)
No. of persons
Less than 200
12
Less than 250
26
Less than 300
34
Less than 350
40
Less than 400
50
What is the percentage of persons earning Rs. 250 or more?The following table shows the annual profit of a company (in Rs. lakh).
2014-2015
2015-2016
2016-0217
2017-2018
2018-2019
625
690
725
775
815
The period which has the maximum percentage increase in profit over the previous year is:
The table given below shows the number of persons participating in a survey from 6 different states.
States Persons S1 100 S2 200 S3 400 S4 500 S5 600 S6 800 What is the ratio of number of person participating in a survey from state S3 to the number of person participating in a survey from state S4?
