Drawing Inferences & Measures of Central Tendency

Collin asked every eighth student entering school which of four subjects was his or her favorite. The table shows the results.

There are 400 students at Collin's school. How many students would you predict prefer language arts?

• 50 students

• 10 students

• 80 students

• 4000 students

Victoria randomly surveyed every tenth student who came to school on Monday. She asked each student to name his or her least favorite vegetable. The table shows the results.

In a survey of 100 students at her school, how many students would you predict to choose spinach as their least favorite subject?

• 48 people would not like spinach

• 12 people would not like spinach

• 25 people would not like spinach

• 1200 people would not like spinach

Mr. Callahan just opened a flower shop. He took a random survey of shoppers to find out their favorite flowers and recorded the results in the table.

If Mr. Callahan expects to sell 150 bunches of flowers next week, what is the best prediction of how many bunches of daffodils he should have in his shop?

• 150 people will favor daffodils

• 14 people will favor daffodils

• 60 people will favor daffodils

• 35 people will favor daffodils

A survey asked students at a middle school which of four after-school sports they would most like to have at their school. The students who participated in the survey were randomly selected during their lunch period. The results are shown in the table.

If you assume that the sample is representative of the population, how many students would you predict to choose lacrosse in a school of 750 students.

• 48 people would prefer lacrosse

• 360 people would prefer lacrosse

• 100 people would prefer lacrosse

• 3600 people would prefer lacrosse

What is the Mode?
  22,7,22,1,7,18,18,16,6,6,7

• 7
• 18
• 21
• 6

Tags

CCSS.6.SP.B.5

CCSS.6.SP.A.3

What is the Median?
8,13,2,4,48

• 8
• 48
• 2
• 9

Tags

CCSS.6.SP.B.5

CCSS.6.SP.A.3

What is the Mean?
9, 5, 7

• 8
• 11
• 7
• 6

Tags

CCSS.7.NS.A.3

What is the mode?

• The value that occurs the most often in a data set
• The middle number in an ordered set of data
• The sum of all the numbers in a data set divided by the size
• The sum of the between the greatest and the least elements, divided by two

Tags

CCSS.6.SP.B.5

CCSS.6.SP.A.3

CCSS.6.SP.A.2

What is the mean?

• The value that occurs the most often in a data set
• The middle number in an ordered set of data
• The sum of all the numbers in a data set divided by the size
• The sum of the between the greatest and the least elements, divided by two

Tags

CCSS.6.SP.B.5

CCSS.6.SP.A.3

A data set can have more than one _______

• Median
• Mode
• Mean
• Midrange

Tags

CCSS.6.SP.B.5

CCSS.6.SP.A.3