Unit 8 - Data and Statistics

Mr. Wilson’s and Mrs. Schwarz’s math classes recently took a test. The results are shown in the dot plots.

Which statement is supported by the information in the dot plots?

• 
  The medians of the two classes are the same.

• 
  The modes of the two classes are the same.

• The mode of Mrs. Schwarz's class is higher than the mod of Mr. Wilson's class.

• The range of scores in Mr. Wilson’s class is higher than the range of scores in Mrs. Schwarz’s class.

Tags

CCSS.6.SP.A.1

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CCSS.6.SP.A.3

CCSS.6.SP.B.4

CCSS.6.SP.B.5

The dot plot shows how many pets each of the students in Mr. Green’s class have at home.

Based on the data, which of the following statements is true?

• 5% of the students have 4 pets

• Exactly 30% of the students have 1 pet

Tags

CCSS.6.SP.A.1

CCSS.6.SP.A.2

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CCSS.6.SP.B.4

CCSS.6.SP.B.5

• 
• 
• 
• 

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Francisco surveyed 65 band and orchestra students to find out which type of musical instrument each played. The results are shown on the bar graph. Based on the information in the graph, which of the following statements is true?

• 
  The number of students who play either percussion or strings equals the number of students who play brass.

• 
  The ratio of woodwind to string players is 4 to 3.

• 
  The ratio of percussion to woodwind players is 5:6.

• 
  There are more than twice the number of brass players than string players.

Tags

CCSS.6.RP.A.1

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CCSS.6.SP.B.4

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The graphs shows the number of school supplies sold in the school store.

Which statement is supported by the information in the graph?

• Fewer than 16% of the supplies sold were pencils

• 
  Exactly 35% of the supplies sold were binders and pencils

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

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CCSS.6.SP.B.4

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The graphs shows the number of school supplies sold in the school store.

What percentage of supplies sold were pencils?

• 15%

• 30%

• 50%

• 22%

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.3

The circle graph shows how Martin spent his time at work last week.

Martin worked a total of 40 hours last week. How many more hours did he spend dealing with customers than completing paperwork last week?

• 4.8 hours

• 10 hours

• 14.8 hours

• 19.6 hours

Tags

CCSS.6.NS.B.3

The circle graph shows how Martin spent his time at work last week.

Martin worked a total of 40 hours last week. How many hours did Martin spend collaborating with his team?

• 11.4 hours

• 17 hours

• 23 hours

• 9.2 hours

Tags

CCSS.6.NS.B.3

CCSS.6.RP.A.1

CCSS.6.RP.A.3

A survey was taken recording peoples’ age and asking them how they listen to music: buying music or streaming music. The data is shown in the box plot.

Which answer choice is supported by the data?

• The box plot for the ages of music streamers is skewed to the right

• The maximum values for both box plots are equal.

• 
  Both box plots are skewed to the right.

• 
  Both box plots are symmetrical.

Tags

CCSS.6.SP.A.1

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The box plots summarize the number of semester hours students enrolled in university and community college completed during the fall semester. Which statement is best supported by the data?

• The university's median number of hours is larger than the community college's median number of hours.

• The minimum number of hours at the community college is higher than the minimum number of hours at university.

• The university has a larger interquartile range than the community college.

• The range of hours taken at university is smaller than the range of hours taken at the community college.

Tags

CCSS.6.SP.A.1

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CCSS.6.SP.B.4

CCSS.6.SP.B.5