Intro_to_Business_Stats.doc
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Subject Code: PHR11C Paper: Intro Business Stats Specific Instructions: Answer all the four questions. Marks allotted 100. Each Question carries equal marks. Word limit is 250 - 400 words General Instructions: The Student should submit this assignment in the handwritten form (not in the typed format) The Student should submit this assignment within the time specified by the exam dept Each Question mentioned in this assignment should be answered within the word limit specified The student should only use the Rule sheet papers for answering the questions. The student should attach this assignment paper with the answered papers. Failure to comply with the above Five instructions would lead to rejection of assignment. _____________________________________________________ Q1. You have conducted a market survey with a sample of size 50 regarding the acceptability of a new product which your company wants to launch. The scores of respondents on the appropriate scales are as follows: 40 45 41 45 45 30 49 08 48 35 26 09 23 24 26 29 08 40 41 25 39 35 18 25 35 40 42 43 44 42 27 32 28 27 25 26 38 37 36 36 22 28 40 41 43 44 45 40 39 41 Prepare a frequency table and present the same information as a histogram, frequency polygon. Q2. a) Describe general limitations of an Average
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Transcript of Intro_to_Business_Stats.doc
Subject Code: 511F
Subject Code: PHR11CPaper: Intro Business Stats Specific Instructions: Answer all the four questions.
Marks allotted 100. Each Question carries equal marks.
Word limit is 250 - 400 words General Instructions: The Student should submit this assignment in the handwritten form (not in the typed format)
The Student should submit this assignment within the time specified by the exam dept
Each Question mentioned in this assignment should be answered within the word limit specified
The student should only use the Rule sheet papers for answering the questions.
The student should attach this assignment paper with the answered papers. Failure to comply with the above Five instructions would lead to rejection of assignment. _____________________________________________________
Q1.You have conducted a market survey with a sample of size 50 regarding the acceptability of a new product which your company wants to launch. The scores of respondents on the appropriate scales are as follows:
40454145453049084835
26092324262908404125
39351825354042434442
27322827252638373636
22284041434445403941
Prepare a frequency table and present the same information as a histogram, frequency polygon.
Q2.
a) Describe general limitations of an Average
b) Calculate Mean and Median for the following data pertaining to marks and statistics out of 140 marks for 80 students in a class:
Marks:0-2020-4040-6060-8080-100100-120120-140
No. of students807650281893
Q3.
A) In two factories A & B engaged in the same industry the average monthly wages and deviations are as follows:
FactoryAverage monthly wagesS.D. of wagesNo. of wage earners
A4600500100
B490040080
a) Which factory A/B pays larger amount as monthly wages
b) Which factory shows greater variability in the distribution of wages
c) What is the Mean and Standard Deviation of all the workers in two factories taken together
B) Explain the concept of Variation. Represent Average Deviation and Standard Deviation through formula and discuss merits, demerits of Average Deviation.
Q4.
A) Find an appropriate measure of Skewness from the following distribution:
Age (yrs.)No. of EmployeesAge (yrs.)No. of Employees
Below 201335-40112
20-252940-4594
25-304645-5045
30-356050 and above21
B) Explain the terms Leptokurtic, Platykurtic & Mesokurtic with a suitable diagram.
