Statistics Concepts for NYS Algebra 2 Success

Where can you find the documents for practice mentioned by the instructor?

• Florida State Teachers website

• California State Teachers website

• New York State Teachers website

• Texas State Teachers website

What percentage of brown M&M's did Melina find in her sample?

• 33.3%

• 20%

• 25%

• 15%

What is the mean height of AKC registered male Labrador retrievers?

• 23.2 inches

• 24 inches

• 25 inches

• 22 inches

How do you calculate the probability of a Labrador retriever's height being between 22 and 25 inches?

• Using a Z-table

• Using a normal distribution curve and a calculator

• Using a T-table

• Using a chi-square table

What is the formula for margin of error?

• Mean minus standard deviation

• Standard deviation divided by the square root of N

• Mean plus standard deviation

• Z star times the standard deviation

What is the standard deviation of the SAT scores mentioned in the video?

• 100

• 120

• 110

• 108

What is the only way to compare distributions according to the instructor?

• Using median values

• Using z-scores

• Using standard deviation

• Using mean values

What should be included in a controlled experiment setup?

• Randomly selecting groups

• Administering the treatment to both groups

• Ignoring the placebo effect

• Collecting data only from one group

What was the z-score for the 2700-pound shark?

• 2.4375

• 2.1375

• 2.3375

• 2.5375

What is the significance of a 95% confidence interval?

• It means the true mean is always within the interval

• It means we are 95% confident that the true mean lies within the interval

• It means the interval contains 95% of the data

• It means the interval is 95% accurate