Question

An important part of employee compensation is a benefits package, which might include health insurance, life insurance, child care, vacation days, retirement plan, parental leave, bonuses, etc. Suppose you want to conduct a survey of benefits packages available in private businesses in Hawaii. You want a sample size of 100.

Some sampling techniques are described below. Categorize each technique as simple random sample, stratified sample, systematic sample, cluster sample, or convenience sample. Put your answer in the blank.

a. Assign each business in the Island Business Directory a number, and then use a random number table to select the businesses to be included in the sample. __________________________

b. Use postal ZIP Codes to divide the state into regions. Pick a random sample of 10 ZIP Code areas and then include all the businesses in each selected ZIP Code area. ________________________

c. Send a team of five research assistants to Bishop Street in downtown Honolulu. Let each assistant select a block or building and interview an employee from each business found. Each researcher can have the rest of the day off after getting responses from 20 different businesses. _____________________

d. Use the Island Business Directory. Number all the businesses. Select a starting place at random, and then use every 50th business listed until you have 100 businesses. _____________________

e. Group the businesses according to type: medical, shipping, retail, manufacturing, financial, construction, restaurant, hotel, tourism, other. Then select a random sample of businesses from each business type. ____________________

Answer 1

Answer :

Important part of employee compensation is a benefits package , which might include health insurance , life insurance , child care , vacation days , retirement plan , parental leave , bonuses ,etc ..,

sample size 100

a) Assign each business in the island Business Directory a number and then use a random number table to select the businesses to be included in the sample

Simple random sample:

In this sampling selection , each business selected using random number table .

There is equal chance to get each business.

b) Postal ZIP codes to divide the state into regions. Pick a random sample of 10 ZIP Code areas and then include all the businesses in each selected ZIP Code area

Cluster sampling:

In this section entire population into pre existing clusters. Make a random selection of clusters.

Include every member of each selected cluster in the sample.

c)A team of 5 research assistants to bishop street in downtown Honolulu .

Each researcher can have the rest of the day off after getting responses from 20 different businesses.

Convenience sampling:

This sampling does run the risk of being severally biased . Sample by using data from population members that are readily available.

d) The Island Business Directory . Number all the businesses . Staring place at random , and then use  every 50th business listed until you have 100  businesses

Systematic sampling :

In this selection , number all members of the population sequentially , and in this starting point selected at random , include every k ^th member of the population in the sample.

e) The businesses according to type: medical, shipping, retail,manufacturing, financial, construction, restaurant, hotel, tourism, other. Select a random sample of businesses from each business type.

Stratified sampling :
In this samplin selection , divide the entire population into distinct groups as medical, shipping, retail,manufacturing, financial, construction, restaurant, hotel, tourism, other.

Draw the sample from each group.