Quantitative Methods for Business

Quantitative methods for business alternative

Table of Contents
INTRODUCTION...........................................................................................................................1
QUESTION 1...................................................................................................................................1
A) Analysis of time required to access computer disc system.....................................................1
QUESTION 3...................................................................................................................................5
A)Calculation of probability........................................................................................................5
QUESTION 4...................................................................................................................................6
A) Computation of Spearman’s rank correlation coefficient to determine whether consumer
gets value of money or not...........................................................................................................6
CONCLUSION................................................................................................................................9

INTRODUCTION
Statistical is branch of study which useful for collect, organize, analysis and interpret
data collected from various source. This branch is useful for solve issue of industrial, social or
socialistic problem in effective manner. There will be many tools used for collection and
interpretation of data. This report has been formulated to define some specific quantitative tools
which help in analysis and collect data by solving questions . Speciality measure value of mean,
standard deviation use of sampling, and relevance of probability and method which useful to
define correlation between variable. All theses information is provides in systematic manner.
QUESTION 1
A) Analysis of time required to access computer disc system.
Access time
in milestone
Frequency Mid value Fm x= m-X fx fx2
30-35 17 32.5 552.5 -11.91 -202.47 40995
35-40 24 37.5 900 -6.91 -165.84 27556
40-45 19 42.5 807.5 -1.91 -36.29 1317
45-50 28 47.5 1330 3.09 86.52 7569
50-55 19 52.5 997.5 8.09 153.71 23716
55-60 13 57.2 743.6 12.79 166.27 27646
N = 120 Efm = 5330 2 128800
X =
5330/120 =
1