1.1 Displaying Distributions with Graphs

What type of data display is this?

• Timeplot

• Histogram

• Dotplot

• Bar Graph

• None of these

^{What class width would you use to construct a histogram of the data with seven classes?}

• 10

• 11

• 7

• 9

Tags

CCSS.HSN.Q.A.1

21. How many students are represented by the histogram?

• Cannot be determined

• 9

• 31

• 35

Tags

CCSS.6.SP.B.5A

What is the class width for this frequency table?

• 4

• 5

• 10

• 25

Tags

CCSS.HSS.ID.A.1

CCSS.6.SP.B.4

Which of the following is a true statement about stemplots?

• Stemplots are only useful for very large data sets.

• Stemplots are useful for quantitative and qualitative data sets.

• Stemplots show the shape of a distribution.

• Stems should be skipped only if there is no data value for a particular stem.

For which of the following variables would it be most appropriate to construct a histogram?

• Television brand

• Insect species

• Gender

• Eye color

• Phone call length

All students are required to sign up for a club. The graph shows the distribution of participation by grade level. Which of the following statements is incorrect?

• 30% of 6th graders joined the math club.

• The number of 8th graders who joined the chess club is the same as the number of 8th graders who joined the math club.

• The number of 6th graders who joined the drama club is the same as the number of 7th graders who joined the drama club.

• The percent of 8th graders who joined the math club is twice the percent of 7th graders who joined the math club.

• The percent of 6th graders who joined the chess club is the same as the percent of 8th graders who joined the drama club.

Tags

CCSS.6.RP.A.3C

A random sample of students was given five minutes to solve as many short puzzles as possible. The results by gender are displayed in the dotplots. Which of the following is FALSE statement?

• 75% of girls finished 4 or more puzzles

• The distribution of female scores is skewed right.

• The distribution of male scores is roughly symmetric.

• Both distributions are unimodal.

• Females performed better on the challenge of solving short puzzles in the five minutes allotted.

A business magazine plans to compare the entry-level salaries offered to twenty applicants with and without an MBA degree. Which of the following graphical displays is least appropriate?

• Side-by-side histograms

• Back-to-back stemplot

• Dotplot

• Pie chart

• All of the above displays are appropriate

Which of the following statements about histograms is TRUE?

• Two students working with the same data set may come up with histograms that look different.

• Histograms and bar charts are the same thing.

• Unlike other graphs, histograms axes do not need to be labeled.

• Displaying outliers is less problematic when using histograms than when using stemplots.

Tags

CCSS.HSS.ID.A.1

CCSS.6.SP.B.4