Unit 3.1 Day 1 Quiz Redo

Determine if the following is an example of a biased or unbiased sample. Divide the class into 4 groups and take a random sample of 2 students from each group.

• Bias

• Unbiased

Tags

CCSS.7.SP.A.1

CCSS.7.SP.A.2

Determine if the following is an example of a biased or unbiased sample. Based on 13,000 responses from 45,000 surveys sent to its alumni, UMD estimated salary was $89,000.

• Bias

• Unbiased

Tags

CCSS.HSS.IC.A.1

CCSS.HSS.IC.B.3

CCSS.HSS.IC.B.4

Determine if the following is an example of a biased or unbiased sample. A female senator wants to know her approval rating. She sends surveys to only female voters.

• Bias

• Unbiased

Tags

CCSS.HSS.IC.B.3

Determine which of the following statement is descriptive in nature or inferential. From a past study, it was found that 56% of women are the primary investors in their households.

• Inferential

• Descriptive

Tags

CCSS.HSS.IC.A.1

CCSS.HSS.IC.B.3

CCSS.HSS.IC.B.4

Determine which of the following statement is descriptive in nature or inferential. A professor at White Oak University found that over the past 10 years that the average number of students in a class is 22.6.

• Inferential

• Descriptive

Determine which of the following statement is descriptive in nature or inferential. It is predicted that the average number of automobiles each household owns will increase next year.

• Inferential

• Descriptive

Tags

CCSS.HSS.IC.A.1

CCSS.HSS.IC.B.4

A gaming website wanted to find out which console its visitors owned. Which choice BEST represents the population in this situation?

• Visitors with an ‘e’ in their user name.

• Visitors to the 3DS section.

• Visitors over 22.

• All the website visitors.

Tags

CCSS.HSS.IC.A.1

What would be the sample in this example? Surveyors in a mall choose shoppers to ask about products they prefer.

• The surveyors.

• The shoppers.

Tags

CCSS.HSS.IC.A.1

CCSS.HSS.IC.B.3

CCSS.HSS.IC.B.4

Identify the population and parameter. To determine the food preferences of their customers, the owners of a restaurant randomly choose 20 customers on Friday to participate in a survey.

• Population: the 20 randomly chosen customers surveyed Parameter: food preferences for the 20 randomly chosen customers

• Population: all customers of the restaurant Parameter: food preferences for all of the restaurant’s customers

• Population: all people in the nation Parameter: food preferences for the 20 randomly chosen customers

• None of these

Tags

CCSS.HSS.IC.A.1

CCSS.HSS.IC.B.3

What is a smaller, representative group drawn from a population?

• Unit

• Sample

• Parameter

• Statistic

Tags

CCSS.HSS.IC.A.1

CCSS.HSS.IC.B.3

CCSS.HSS.IC.B.4