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

The process of collecting information/data from the sample.

• Census
• Interview
• Survey
• Questionnaire

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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

In a recent survey of 1503 adults in the United States, 53% said they use both a landline and a cell phone,

• parameter
• statistic

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

A teacher wants to know the average time spent doing homework by the students in her class of 20 girls and 5 boys.
She picks the student in every 5th seat.

• Simple Random
• Systematic Random
• voluntary response
• convenience

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

Estimate the number of students in your school who play video games more than 10 hours per week.

• Census
• Sample Survey
• Experiment
• Observational Study

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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

Two random samples, A and B, were selected from the same population to estimate the population mean. For each sample, the mean, standard deviation, and margin of error for a 95 percent confidence interval for the population mean are shown in the table. Which of the following could explain why the margin of error of sample A is greater than the margin of error of sample B?

• The sample size of A is greater than the sample size of B.

• The sample size of A is less than the sample size of B.

• The sample size of A is equal to the sample size of B.

• The mean of sample A is greater than the mean of sample B.

• The standard deviation of sample A is less than the standard deviation of sample B.

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

When do you use a t-value instead of a z-value?

• When n < 30

• When n ≥ 30

• When all of the planets align

• When the teacher says so

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