8. Sampling Distributions & Confidence Intervals: Proportion

Alice collected data at the same time and place every day for two weeks. Her data may not be representative of the population because it may not be:

Which of the following best describes a representative sample in the context of sampling distributions of sample proportions?

Which of the following best describes the difference between a census and a sample in the context of estimating a population proportion $p$?

Which of the following best describes the relationship between a $\mathrm{sample}$ and a $\mathrm{population}$ in the context of the sampling distribution of the sample proportion?

Which of the following is not a property of the sampling distribution of the sample mean?

Which of the following best describes the relationship between a sample and a population in the context of the sampling distribution of the sample proportion?

In the context of the sampling distribution of sample proportion, what does it mean when a part of the population is under-represented in a sample?

Which of the following statements regarding the sampling distribution of the sample proportion ($p̂$) is true?

In the context of sampling distributions, what is the term for the portion of the population of interest that is selected for a study?

In the context of the sampling distribution of the sample proportion $p$, why is a sample typically used instead of collecting data from the entire population?

In the context of the sampling distribution of the sample mean, what effect does decreasing the sample size have on the spread ($\sigma$, standard deviation) of the distribution?

Which of the following best describes the relationship between a $\mathrm{sample}$ and a $\mathrm{population}$ in the context of the sampling distribution of the sample proportion?

Which of the following is not a property of the sampling distribution of the $\mathrm{variance}$?

Which two actions are most important to ensure that your sample proportion statistics are representative of the population?

Which of the following statements about the sampling distribution of the sample proportion is incorrect?