Confidence Intervals and Hypothesis

Running head: QUANTITATIVE ANALYSIS FOR BUSINESS
Quantitative Analysis for Business
Name of the Student:
Name of the University:
Author Note:

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QUANTITATIVE ANALYSIS FOR BUSINESS
Table of Contents
Part 1..........................................................................................................................................2
Answer to the question (a).....................................................................................................2
Answer to the question (b).....................................................................................................2
Answer to the question (c).....................................................................................................2
Part 2..........................................................................................................................................3
Answer to the question (a).....................................................................................................3
Answer to the question (b).....................................................................................................3
Answer to the question (c).....................................................................................................5
Answer to the question (d).....................................................................................................6
Part 3..........................................................................................................................................7
Answer to the question (a).....................................................................................................7
Answer to the question (b).....................................................................................................7
Answer to the question (c).....................................................................................................8
Answer to the question (d).....................................................................................................8
Answer to the question (e).....................................................................................................9
Part 4........................................................................................................................................10
Bibliography.............................................................................................................................11

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QUANTITATIVE ANALYSIS FOR BUSINESS
Part 1
Answer to the question (a)
The researcher has been conducted the cross sectional study between the weekly take
home pay and weekly food expenditure. The study shows the association between take home
pay and the weekly food expenditure. More over this study has been done at a single time
period. Hence this study is called as cross sectional study.
Answer to the question (b)
The simple random sampling method has been applied by the researcher.
Answer to the question (c)
There are some issues which has been faced by the researcher or data collector. These
are generalizability and the representativeness, size of sample and the non-response bias.
Part 2
Answer to the question (a)
The researcher has been decided the 8 class intervals on both the variables like take
home pay and the weekly food expenditure. Thus these depends upon the maximum and the
minimum value of each variable.

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QUANTITATIVE ANALYSIS FOR BUSINESS
Answer to the question (b)
Figure 1 Histogram on Take- Home Pay
The figure 1 shows that the histogram of take- home pay. In the X axis shows the
class and in the Y axis the frequency. Moreover the maximum frequency has been occurred
in the class of 350-475 and the minimum frequency has been occurred in the class 975-1100.