Statistics - Chapter 1 Review

A marketing research company wants to know if the new iOS has forced iPhone users to upgrade to the newest version of the iPhone because the new operating system slows down their current version. 

They take a simple random sample of 10,000 iPhone users from the registered iPhone accounts at Verizon stores across the country.

What is the population of interest in the marketing research company's study?

• All iPhone users

• All registered iPhone users from Verizon stores in the U.S.

• All smartphone users

• 10,000 registered iPhone users from U.S. Verizon stores

A marketing research company wants to know if the new iOS has forced iPhone users to upgrade to the newest version of the iPhone because the new operating system slows down their current version. 

They take a simple random sample of 10,000 iPhone users from the registered iPhone accounts at Verizon stores across the country.

What is the sample used in the marketing research company's study?

• All iPhone users

• 10,000 registered iPhone users from U.S. Verizon stores

• All smartphone users

• All iOS users

The administration at BMHS wants to know information about the Homecoming dance . 

They plan to conduct a SRS of 250 students as they leave the dance and ask them a series of questions about the dance.

What is the sample used by the BMHS administration?

• All BMHS students

• 250 BMHS students that attend the Homecoming dance

• All BMHS students that attend the Homecoming dance

• 250 BMHS students

The administration at BMHS wants to know information about the Homecoming dance . 

They plan to conduct a SRS of 250 students as they leave the dance and ask them a series of questions about the dance.

What is the population of interest of the BMHS administration?

• All BMHS students

• 250 BMHS students that attend the Homecoming dance

• All BMHS students that attend the Homecoming dance

• 250 BMHS students

What type of statistics was used in the statement

'By 2040 at least 3.5 billion people will run short of water.' ?

• Descriptive statistics

• Inferential statistics

• Both descriptive and inferential statistics

• Neither descriptive nor inferential statistics

What type of statistics was used in the statement

'In a sample of 100 individuals, 36% think that watching television is the best way to spend an evening.' ?

• Descriptive statistics

• Inferential statistics

• Both descriptive and inferential statistics

• Neither descriptive nor inferential statistics

What type of statistics was used in the statement

'In a survey of 1000 adults, 34% said they have posted on social media platforms.' ?

• Descriptive statistics

• Inferential statistics

• Both descriptive and inferential statistics

• Neither descriptive nor inferential statistics

What type of statistics was used in the statement

'Allergy therapy makes bees go away.' ?

• Descriptive statistics

• Inferential statistics

• Both descriptive and inferential statistics

• Neither descriptive nor inferential statistics

What type of statistics was used in the statement

'Experts say that mortgage rates may soon hit bottom.' ?

• Descriptive statistics

• Inferential statistics

• Both descriptive and inferential statistics

• Neither descriptive nor inferential statistics

Identify the type of data:

the number of street corner mailboxes in the city of Philadelphia

• Qualitative

• Quantitative - Discrete

• Quantitative - Continuous

• None of the above