Explain the difference between absolute and relative errors

Reference no: EM131188956 , Length: 20

Answer the following questions

All questions are compulsory and each question carries equal marks-

I:- Define Statistics and explain the characteristics & Uses of Statistics.

ll:- what is a statistical error? In what way does it differ from a mistake? Explain the difference between absolute and relative errors.

I:- Describe the methods which can be used in the collection of statistical data. stating the advantages and disadvantages of each method.

II:- What is the meant by a frequency distribution? Describe briefly the main steps in the preparation of frequency table from the raw data.

I:- Represent the total expenditures on various items of a family by a pie diagram

Items	Food	House Rent	Misc.	Fuel	Education
Expenditure (in lts,)	55	20	33	20	17

II:- Describe the Graphical methods used in Statistics, giving their respective advantages and disadvantage also draw up a list of rules for construction of graphs.

I. Compute the Median, Quartiles, Deciles and percentiles of the following Data

Heights (Inches)	57.5-	60.0-	62.5-	65.0-	67.5-	70.0-	72.5-
Number	6	26	190	281	412	127	38

II:- Find A,M,G,M,H,M of the series 1, 3, 9. 27, 81, 3.

I:- Find the A,M, G,M H,M Median and Mode of the following frequency distribution.

Variable	35.39	40-44	45-49	50-54	55-59	60-64	65.69
Frequency	15	17	35	11	10	15	10

II:- Describe the advantages and disadvantages of mean Median and Mode. Explain the maniacal relation between them.

Reference no: EM131188956

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