Quiz #1

It is defined as a value or range of values that approximates the population value.

• Estimate

• Interval

• Point

• Parameter

It is a specific numerical value of a population parameter

• Point Estimate

• Interval Estimate

• Population Mean

• Population Standard Deviation

It is the best point estimate

• CI

• x bar

Range of values that may contain a parameter of a population.

• Interval Estimate

• Point Estimate

• Parameter

• Statistic

The z critical value for 95% confidence interval.

• 1.64

• 1.96

• 2.33

• 2.17

The z critical value for 90% confidence interval.

• 1.64

• 1.96

• 2.33

• 2.17

• Margin of Error

• Significance Level

• Interval Estimate

• Confidence Level

What is the best point of estimate for population proportion?

• p hat

• q hat

• p

• q

What is the complement of p hat?

• p hat

• q hat

• p

• q

In a survey of 100 students, 75 students agreed that there should be a curtain in every classroom. Identify the point estimate of the population proportion.

• .75

• .25

• 75

• 25