Stats hypothesis testing

Which of the following indicates a confidence interval?

• 0.95

• 99%

• 100

• 54 - 59

Tags

CCSS.HSS.IC.B.4

What is a single number that is calculated from the sample data as an approximation of the population mean.

• Point Estimation

• Interval Estimation

• Hypothesis Testing

• Margin of Error

estimate an unknown parameter using an spread of values that is likely to contain the true value of that parameter.

• Point Estimation

• Interval Estimation

• Hypothesis Testing

• Margin of Error

claim about the population that can be tested whether or not the data obtained from the sample provide evidence against this claim.

• Point Estimation

• Interval Estimation

• Hypothesis Testing

• Margin of Error

What type of variable is a population proportion?

• Quantitative

• Mean

• Categorical

• Variance

What type of variable is a population parameter that we infer about is the population mean

• Quantitative

• Standard Deviation

• Categorical

• Variance

What is calculated by (Sum of values)/n

• Point Estimation

• Interval Estimation

• Hypothesis Testing

• Margin of Error

Which of the following is true regarding an unbiased estimator?

• The value of an unbiased estimator is always exactly equal to the parameter it estimates.

• Any estimator that is based on a random sample is an unbiased estimator.

• Any estimator whose sampling distribution is normal is an unbiased estimator.

• The sampling distribution of the unbiased estimator is centered at the parameter that it estimates.

p̂ is estimate of what

• μ

• p

• σ

• ^x̄

x̄ is estimate of what

• μ

• p

• σ

• s