Question

A Gallup Youth poll was conducted to determine the topics that teenagers most want to discuss with parents. The findings show that 46% would like more discussion about the family’s financial situation, 24% would like to talk about school, and 30% would like to talk about religion. The survey was based on a sampling of 505 teenagers selected at random from all U.S. teenagers.  

Questions:

1. Describe the individuals of this study.
2. What is the main variable of interest in this study?
3. Classify that variable in terms of the highest level of measurement. ?
4. Classify the variable as qualitative or quantitative
5. Identify the sample and the population from which the sample was selected. (2pts)
6. Is the sample representative of the population? Explain (3pts)

Answer 1

Describe the individuals of this study.

teenagers selected at random  from all U.S. teenagers.

What is the main variable of interest in this study?

teenagers most want to discuss with parents.

Classify that variable in terms of the highest level of measurement. ?

as its quantitative variable and highest level of measurement is ratio

Classify the variable as qualitative or quantitative

we are measuring the variable and its quantitative

Identify the sample and the population from which the sample was selected. (2pts)

sample = 505 teenagers selected at random

n=505

popualtion=all U.S. teenagers.  

Is the sample representative of the population? Explain (3pts)

Yes,the sample representative of the popualtion as the sample size,n=505 teenagers from US is a random sample.

Every teenager has equal chance of being included in the sample.

It is representative sample

Avoids bias.

Its a good sampling method.