MCO 03 Solved Assignment
MCO 03 Solved Assignment Research Methodology and Statistical Analysis (MCO 03)
Master of Commerce
Second Year Assignments
For July 2020 and January 2021 admission cycle
July 2020 and January 2021
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Title – Research Methodology and Statistical Analysis (MCO 03)
University – Ignou
Assignment Types – PDF, SOFT COPY /Handwritten on order
Course – Master of Commerce
(M.Com) Second Year Assignments
Medium / Language –ENGLISH / HINDI MEDIUM
Session – JULY 2020, JANUARY 2021
Subjects code – MCO 03
Assignment Submission Date – July 2020 session के लिए – 31 March 2021, January 2021 session के लिए – 30 September 2021.
MCO 03 Solved Assignment 2020 – 2021
Q. 5. Distinguish between the following:
(a) Cluster Sampling and Stratified Random Sampling.
Ans. Cluster Sampling: There may be circumstances where preparation of sampling frame may be difficult if not impossible. In addition to this, the geographical coverage of the population may be very extensive, consisting of remote areas. In this method, the population is divided into various sub-groups such that these are heterogeneous within and homogeneous between themselves. These sub-groups are known as cluster.
MCO 03 Research Methodology and Statistical Analysis Solved Assignment 2021
To obtain a cluster sample, a given number of cluster are chosen at random from all the clusters and all the items covered by the selected clusters are included in the sample.
Stratified Sampling: In order to obtain a stratified random sample, the population is divided into various sub- groups such that these are homogeneous within the heterogeneous between themselves. From each subgroup, also known as stratum, a certain numbers of items are selected at random to make a ‘Stratified Random Sample’. Generally, the number of items selected from each stratum is proortional to its size dis-proportionate stratified samples may
also be selected in certain cases.
MCO 03 Solved Assignment
The stratification of a population is done in order to ensure that all the characteristics of a heterogeneous population are adequately represented in the sample. It also helps in increasing the accuracy of the results of the investigation.
MCO 3 Solved Assignment 2020 – 2021
In this case the total population is divided, depending on problem under study, into some recognizable sub- divisions which are termed as clusters and a simple random sample of these clusters is drawn. We then observe,
measure and interview each and every unit in the selected clusters. For example, if we are interested in obtaining the income or opinion data in a city, the whole city may be divided
into N different blocks and localities and a simple random sample of N blocks is drawn. The individuals in the selected blocks determine the cluster sample.
MCO 03 Solved Assignment in English Medium