Analyzing Data

1.  Carlos wants to know the favorite sport of people at his school so he asks his baseball team.

• Biased
• Unbiased

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

2.  A hospital wants to open a gym. They ask the night-shift ER staff when they would use the gym.

• Biased
• Unbiased

3. A company makes DVDs and randomly selects 25 from 1500 to test them to see if they work.

• Biased
• Unbiased

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

The middle school wants to purchase pizzas for their school dance.  They surveyed 50 students and found that 27 out of the 50 surveyed preferred sausage pizza.  Based on their survey results, if the school has 551 students, how many of those students would prefer sausage pizza? 

• 298
• 297
• 351
• 27

Tags

CCSS.7.RP.A.3

Use a proportion to estimate the animal population.

total bass counted: 3,102

tagged bass counted: 198

total tagged bass: 872

• 13,551 bass

• 13,661 bass

• 1,366 bass

• 704 bass

Find the mean of the data:
8, 7, 6, 5, 4

• 30
• 6
• 5
• 24

Find the mean of the data:
15, 17, 25, 30, 42

• 129
• 2.58
• 12.9
• 25.8

Tags

CCSS.6.SP.A.3

CCSS.6.SP.B.5

Find the mode:
5, 0, 9, 9, 3, 0, 5, 5, 4

• 9
• 5
• 3
• 7

Tags

CCSS.6.SP.A.2

CCSS.6.SP.A.3

CCSS.6.SP.B.5

Find the median:
5, 6, 3, 9, 0, 4, 1, 2, 7

• 4
• 4.1
• 5
• 4.5

Tags

CCSS.6.SP.A.3

CCSS.6.SP.B.5

When finding the median, what do you do if there are two middle numbers?

• Add them together and divide by 2
• Write them both as the answer
• Give up
• Pick one

Tags

CCSS.6.SP.A.3

CCSS.6.SP.B.5