Posted on

Statistics Case study 2_PerfectA+_Answer

Statistics Case study 2_PerfectA+_Answer

Statistics Case study 2_PerfectA+_Answer

Statistics Case study 2_PerfectA+_Answer

Statistics Case study 2_PerfectA+_Answer

Statistics Case study 2_PerfectA+_Answer

1. 49, 34, and 48 students are selected from the Sophomore, Junior, and Senior classes with 496, 348, and 481 students respectively. Identify which type of sampling is used and why?

2. The name of each contestant is written on a separate card, the cards are placed in a bag, and three names are picked from the bag. Identify which type of sampling is used and why?

3. An education expert is researching teaching methods and wishes to interview teachers from a particular school district. She randomly selects ten schools from the district and interviews all of the teachers at the selected schools. Does this sampling plan result in a random sample? Simple random sample? Explain.

4. A polling company obtains an alphabetical list of names of voters in a precinct. They select every 20th person from the list until a sample of 100 is obtained. They then call these 100 people. Does this sampling plan result in a random sample? Simple random sample? Explain.

5. The personnel manager at a company wants to investigate job satisfaction among the female employees. One evening after a meeting she talks to all 30 female employees who attended the meeting. Does this sampling plan result in a random sample?

For getting the instant digital downloa solution, Please click on the “PURCHASE” link below to get Statistics Case study 2_PerfectA+_Answer.

For instant digital download of the above solution or tutorial, please click on the below link and make an instant purchase. You will be guided to the PAYPAL Standard payment page wherein you can pay and you will receive an email immediately with a download link. Please note that in case of technical glitch, the solutions will be emailed to you within 24 hours.

In case you find any problem in getting the download link or downloading the tutorial, please send us an email on mail@edusolutionguide.com