Business statistics
Q.1(a). Describe the importance and scope of Statistics
(b). Explain the characteristics of a frequency distribution.
©. Explain how statistics plays an important role in management planning and decision making?
(d). With the help of few examples explain the role of statistics as a managerial tool.
Q.2 The take-home salary (in Rs.) of 40 unskilled workers from a company for a particular month was.
Construct a frequency distribution having a suitable number of classes.
Q3. The following data give the points scored in a tennis match by two players X and Y at the end of twenty games:
(10, 12) (7, 11) (7, 9) (15, 19) (17, 21) (12, 8) (16, 10) (14, 14) (22, 18) (16, 7) (15, 16) (22, 20) (19,15) (7, 18) (11, 11) (12, 18) (10, 10) (5, 13) (11, 7) (10, 10)
Taking class intervals as: 5–9, 10–14, 15–19 . . ., for both X and Y, construct
(i) Bivariate frequency table.
(ii) Conditional frequency distribution for Y given X > 15.
Q4. The following distribution gives the pattern of overtime work per week done by 100 employees of a company.
Overtime hours | 10-15 | 15-20 | 20-25 | 25-30 | 30-35 | 35-40 |
| 11 | 20 | 35 | 20 | 8 | 6 |
Calculate Q1, D7 and P60.
Q5. Find the missing frequency for the following incomplete distribution by using appropriate formula when mode is 36.
Marks | No. of Students |
0-10 | 5 |
0-20 | 7 |
20-30 | ? |
30-40 | ? |
40-50 | 10 |
50-60 | 6 |
| 50 |
Q6. Mean and S.D. of 100 items are found by a student as 50 and 0.1. If at the time of calculation, two items are wrongly taken as 40 and 50 instead of 60 and 30. find correct mean and S.D.
To get the complete answer/solution to this Parul University assignment, you can contact Dr. Aravind Banakar’s Academic Writing Services.
Dr. Aravind Banakar prepares two types of Assignments. General assignments & Customized assignments. Both assignments are 100 % Plagiarism-free and adhere to the Principles of Management.
Dr. Aravind Banakar is the number 1 Parul University Academic Writing Professional. He is a highly experienced academic professional and a reputable and reliable academic content writer with over 24 years of experience. You can obtain ready-made, customized, plagiarism-free MBA, BBA, MCA, BCA, MSc, MSW, M.Com and B.Com assignments.
Important Notice for Parul University Assignments:
To ensure your Parul assignments meet the university’s standards, The Parul Assignments must be 100% customized, plagiarism-free, and unique, especially in the area of Principles of Management.
Copying from Google, Chat GPT, AI tools, blogs, books, or any other sources is strictly prohibited, and if you copy answers, you will get ZERO marks.
Before purchasing assignments from any academic writer, always demand the following verification:
- Turnitin Report – To ensure the content is plagiarism-free.
- Grammarly Report – This is to ensure grammar and writing quality.
- AI Detection Report – To guarantee no AI-generated content.
Remember, these reports are not just a formality. They are your shield against ZERO marks. Take charge of your grades by ensuring your work is original and meets Parul University standards.
Dr. Banakar leads a team of over 100 Ph. D.-qualified professionals dedicated to creating high-quality, plagiarism-free assignments tailored to meet Parul University’s exact standards and requirements. With a proven track record, students who have used his services often score 25+ marks out of 30. His expertise can help you effectively explain the definition, nature, and scope in your managerial economics projects.