Samples and Percent

Select the correct description

• Average Percent

• Population Proportion

• Sample Proportion

• Percent Slope of a Distribution

Sigma of P-Hat

• Population Standard Deviation

• Standard Deviation of the Sampling Distribution of Sample Means

• Sample Percents of the Standard Deviation

• Standard Deviation of the Sampling Distribution of Sample Proportions

What does this formula do?

• Calculates Standard Deviation for Sampling Dist. of Sample Means

• Checks if the samples are independent

• Checks Normality

• Calculates Standard Deviation for Sampling Dist. of Sample Proportions

Which best describes the sampling distribution shown below.

• Unbiased Estimator

• Biased Estimator

Which best describes the sampling distribution shown below.

• Unbiased Estimator

• Biased Estimator

Select the correct description

• Mean of the Sampling Distribution of p-hat

• Population Mean

• Percents of Means

• Proportions

You ask 75 randomly chosen students at a school how many movies they watch each week.

What percent of students watch one movie per week?

• 28%

• 21%

• 87.5%

• 70%

You ask 20 randomly chosen environmental scientists from your state to name their favorite was to eliminate waste. There are 400 environmental scientists in your state. What percent of the sample prefers eliminating waste by recycling?

• 20%

• 10%

• 0.5%

• 1%

You ask 20 randomly chosen environmental scientists from your state to name their favorite was to eliminate waste. There are 400 environmental scientists in your state. What percent of the sample prefers eliminating waste by reducing?

• 75%

• 70%

• 14%

• 3.5%

What percent of the sample plan to vote for Candidate B?

• 12%

• 24%

• 38%

• 31.6%