Analyze Surveys/Samples & Measures of Central Tendency

A public library asked every 10th person who entered to name the type of book they were getting. Is this sample biased or unbiased?

• Biased

• Unbiased

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

A new cable TV station wants to study the viewing habits of households in the United States. The station surveys every household that purchased a new TV within the last 2 years in New York. Is this random sampling?

• Yes

• No

Tags

CCSS.HSS.IC.B.3

A poll is taken from 100 seniors in a high school where the senior class has 575 students. The students polled represent a ____________.

• Sample

• Population

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

What is the mode in this set of numbers:
7, 14, 20, 3, 7, 14, 2, 14, 7

• 7
• 20
• 7 & 14
• none of the above

Tags

CCSS.6.SP.B.5

CCSS.6.SP.A.3

A hospital wants to open a gym but is trying to determine what hours the gym should be open. They ask the night-shift ER staff when they would use the gym. Is this sample biased or unbiased?

• Biased

• Unbiased

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

The number of pages that Annie wrote in her journal each day from Monday to Friday is shown below:

9, 8, 12, 6, 10

What is the mean number of pages she wrote per day?

• 5

• 6

• 9

• 11

Tags

CCSS.6.SP.B.5C

What is the range of the dot plot?

• 9
• 5
• 4
• 6

Tags

CCSS.6.SP.B.5

CCSS.6.SP.A.2

CCSS.6.SP.B.4

Ruth wants her average of her assessment scores to be an 88%. Her current assessment grades are 90%, 81%, and 87%. What does her last assessment score need to be to get her an average of 88%?

• 88%

• 94%

• 92%

• 97%

Tags

CCSS.6.NS.B.3

Why is the following question biased?

"Don't you agree that students should be able to use their phones at any time during the school day?"

• It implies that phones are bad.

• It encourages more students to bring their phones to class.

• It provides an opinion in the question.

• It is not a biased question.

Tags

CCSS.RL.11-12.6

Which number is not the mean, median, mode, or range of the data set 4, 3, 15, 11, 3, 8, 7, 5?

• 3

• 6

• 12

• 11

Tags

CCSS.6.SP.B.5C