Statistics 7th Grade Review

Mrs. Largo plans to bring in donuts for her class since everyone had perfect attendance last month. To determine what flavor she will bring, Mrs. Largo surveys every 3rd student that entered the class to see which donut flavor she should purchase. Which type of sample did she choose?

• Convenience Sample

• Simple Random Sample

• Biased Sample

• Systematic Random Sample

Tags

CCSS.HSS.IC.B.3

Hunter wants to find out which teacher is most favored at Garfield Middle School. Which of the following sample methods will give him the most accurate results?

• Surveying all the students in Mrs. Thompson's homeroom.

• Surveying 40 random students in the sixth grade.

• Surveying a group of students waiting in the car rider line.

• Surveying middle school students from Jackson Middle School.

Tags

CCSS.6.SP.A.1

CCSS.6.SP.A.2

Kimberly wants to know which club people at her school are most likely to participate in. Which would be the best sample for Kimbrely to use?

• Kimberly should ask her friends on the soccer field.

• Kimberly should ask the students at her lunch table.

• Kimberly should ask every 20th person on the school's roster.

• Kimberly should ask her family members.

Tags

CCSS.6.SP.A.1

Best Buy wants to know which electronic most people plan to buy to they can improve their inventory. Best Buy surveys the first 50 customers who enter the store and ask which electronic they plan to purchase. Out of the 50 customers, 15 said they planned to purchase a TV. If 300 customers came to Best Buy that day, predict how many of them would probably purchase a TV?

• 15 customers

• 30 customers

• 90 customers

• 750 customers

Tags

CCSS.6.RP.A.3B

Carter wants to know which Georgia Sports Team is the most supported at his school. After suveying 150 random people at school, Carter found that 33 people out of his sample prefered the Atlanta Braves. If there are 1200 people at Carter's school, predict how many will prefer the Atlanta Braves.

• 24 people

• 264 people

• 413 people

• 4950 people

Tags

CCSS.7.RP.A.3

Hopkins Elementary School has 600 students. Mr. Gary teaches 60 of the students each day. Mr. Gary surveys a random sample and finds that 42 of his students have siblings. Use this example to predict how many students at Hopkins Elementary School have siblings.

• 4 students

• 420 students

• 100 students

• 857 Students

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.3

CCSS.6.SP.A.1

CCSS.6.SP.A.2

CCSS.6.SP.A.3

CCSS.6.SP.B.5

6. Which city has a higher median?

• Millersburg

• Arcadia

Tags

CCSS.6.SP.B.4

CCSS.HSS.ID.A.1

Compare the Interquartile Range.

• The IQRs are the same.

• Car Hop has a greater IQR

• The Cruisers has a greater IQR.

• IQR cannot be determined.

Tags

CCSS.HSS.ID.A.3

1st period has a test score range of 70. 2nd Period has a test score range of 30. What can you infer from this data?

• 1st period scores better.

• 2nd period scores better.

• 1st period's test scores are more varied.

• 2nd period's test scores are more varied.

Tags

CCSS.6.SP.A.2

CCSS.6.SP.A.3

CCSS.6.SP.B.5

A high school has 1500 students.  In a random sample of 50 students, 32 own one or more pets.  Predict the number of students at the high school who own one or more pets.

• 480
• 960
• 48
• 96

Tags

CCSS.6.RP.A.3

CCSS.6.SP.A.1

CCSS.6.SP.B.5