CCSS.Math.Content.7.SP.A.2

Ana wants to know the average student’s opinion of the tardy policy at her school. Which group of students should she survey in order to achieve the most accurate results?

• thirty students who are often tardy
• thirty students who are rarely tardy
• thirty of her friends
• thirty randomly selected students from her school

Tags

CCSS.Math.Content.7.SP.A.2

50% of the Cruisers attended between 7 and 16 car shows.  True or False?

• True
• False

Tags

CCSS.Math.Content.7.SP.A.2

According to the two-way table, a person who plays an instrument is most likely to:

• Not play an instrument
• Not play a team sport
• Play a team sport
• All of the above

Tags

CCSS.Math.Content.7.SP.A.2

True of false, 75% of the data values are greater than 18?

• True
• False, 75% of the values are greater than 16
• False, 50 % of the values are greater than 18
• False, 25% of the values are greater than 18

Tags

CCSS.Math.Content.7.SP.A.2

What is the mode of the trout weight?

• 450
• 450.5
• 452
• 460

Tags

CCSS.Math.Content.7.SP.A.2

How many people went to the amusement park fewer than 3 times?

• 1
• 2
• 10
• 8

Tags

CCSS.Math.Content.7.SP.A.2

A quality control inspector at a clothing manufacturer is checking to make sure collars on shirts are sewn correctly.  Twenty shirts are randomly chosen and 3 have defective collars.  Shirts that are defective are discarded.  Based on this sample, how many shirts do you predict are likely to be discarded in a week when 500 shirts are produced? 

• 17
• 20
• 75
• 425

Tags

CCSS.Math.Content.7.SP.A.2

The histogram shows the birth weights of 100 new born babies.  How many babies weighed 8 pounds or more?

• 22
• 23
• 30
• 45

Tags

CCSS.Math.Content.7.SP.A.2

The prices at several different stores for a pair of shoes are shown below.
$78, $79, $81, $82, $83
Two days later, another store has the same shoes on sale for $65. How does the new price affect the data?

• Only the range was affected.
• The median increased, and the range increased.
• The mean increased, and the range increased.
• The mean decreased and the range increased.

Tags

CCSS.Math.Content.7.SP.A.2

Interview the first 30 students who enter the school in the morning. 

• simple random
• voluntary response
• systematic
• convenience

Tags

CCSS.Math.Content.7.SP.A.2