NMIMS

PARUL – MBA – Explain how statistics plays an important role in management planning and decision making

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.

 

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.

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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. 

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