CCSS.Math.Content.HSS.IC.B.4

If one of the seniors from the sample is selected at random, which of the following is the closest to the probability the student selected science as his or her favorite high school subject?

• 0.48
• 0.26
• 0.32
• 0.15

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CCSS.Math.Content.HSS.IC.B.4

The average annual salary for 35 of a company's 1200 accountants is $68,000.

• parameter
• statistic

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CCSS.Math.Content.HSS.IC.B.4

In a survey of a sample of high school students, 43% said that their mother has taught them the most about managing money.

• parameter
• statistic

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CCSS.Math.Content.HSS.IC.B.4

As of January 2007, 44% of the governors of the 50 states in the US are Republicans.

• parameter
• statistic

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CCSS.Math.Content.HSS.IC.B.4

The Gallup Poll asked a random sample of 1785 adults whether they attended church during the past week.  Let p-hat be the proportion of people in the sample who attended church.  A newspaper report claims that 40% of all U.S. adults went to church last week.  Suppose this claim is true. 
Calculate the standard deviation of the sampling distribution.  (Check to see if the 10% condition is met first)

• 0.0116
• 0.0117
• 0.0118
• 0.0119

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CCSS.Math.Content.HSS.IC.B.4

Given the interval (1.2, 1.8), what is the point estimate and the margin of error? 

• 1.5, 0.6
• 1.5, 0.3
• 1.2, 0.3
• 1.2, 0.6

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CCSS.Math.Content.HSS.IC.B.4

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.

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CCSS.Math.Content.HSS.IC.B.4

In a survey of 104 students, it was found that 79 went to the homecoming game this year.

Calculate a 99% confidence interval for p.

• (0.652, 0.868)

• (0.691, 0.829)

• (0.678, 0.842(

• (0.685, 0.895)

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CCSS.Math.Content.HSS.IC.B.4

A recent survey found that 77% of high schoolers use their phones more than 4 hours a day on average. The margin of error was 3%. What is the interval for which we could expect to find the truth of the population?

• 77% - 80%

• 74% - 77%

• 74% - 80%

• 50 million high schoolers - 120 million

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CCSS.Math.Content.HSS.IC.B.4

The process of collecting data by asking questions

• sample

• respondent

• clinical study

• poll

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CCSS.Math.Content.HSS.IC.B.4