5.STA 200 WK 1 ASS. Q&A WRITE UP 2020.pdf
The World Health Organization wishes to estimate the mean density of people per square kilometer, they collect data on 56 countries. State the individual, variable, population, sample, parameter, and statistic1.2.4 You wish to determine the GPA of students at your school. Describe what process you would go through to collect a sample if you use a stratified sample.4 To evaluate whether a new fertilizer improves plant growth more than the old fertilizer, the fertilizer developer gives some plants the new fertilizer and others the old fertilizer. Is this an observation or an experiment? Why?A mathematics instructor wants to see if a computer homework system improves the scores of the students in the class. The instructor teaches two different sections of the same course. One section utilizes the computer homework system and the other section completes homework with paper and pencil. Are the two samples matched pairs or not? Why or why not?
Geschreven voor
- Instelling
- University Of Maryland - University College
- Vak
- Introduction to Statistics (STAT200)
Documentinformatie
- Geüpload op
- 24 maart 2021
- Aantal pagina's
- 4
- Geschreven in
- 2020/2021
- Type
- Tentamen (uitwerkingen)
- Bevat
- Vragen en antwoorden
Onderwerpen
-
to estimate the percentage of households in connecticut which use fuel oil as a heating source
-
a researcher collects information from 1000 connecticut households about what fuel is their heating so
