Confidence Intervals

Which of the following is the definition of a "point estimate?"

• The average of a population.

• The average of a sample.

• The midpoint of a confidence interval.

• The confidence interval.

Tags

CCSS.HSS.IC.B.4

The amount added and subtracted to the statistic.

• Margin of Error

• Point Estimator

• Statistic

• Population

Tags

CCSS.HSS.IC.B.4

What is the point estimator for the interval (-5 , 13)?

• 10

• 9.5

• 9

• -5

Tags

CCSS.HSS.MD.A.2

What is the margin of error for the interval (6.8, 12.9)?

• 9.85

• 3.05

• 3.50

• 6.8

Tags

CCSS.HSS.IC.B.4

Does the interval (3, 14) support the claim that the mean of a data set is 2.9

• Yes

• No

• Not enough information.

Tags

CCSS.HSS.IC.A.1

What day is Easter this year?

• March 31

• April 1

• April Fools Day

• Good Friday

What is the world record for the time a rainbow has shined?

• 9 hours

• 9 days

• 9 minutes

• 540 minutes

Tags

CCSS.3.MD.A.1

Which of the following is the confidence interval for the response "Bus?" (HINT: use Margin of Error)

• (17.9, 24.1)

• (18, 24)

• (18, 36)

• (17, 24)

Tags

CCSS.HSS.IC.A.1

CCSS.HSS.IC.B.4