EOC Data

EOC Data

by Darryl Padgett

What does a Box and Whisker Plot includes?

Other Names:

Lower Extreme = Least Value = Minimum

Lower Quartile = First Quartile = Q1

Median = Q2

Upper Quartile = Third Quartile = Q3

Upper Extreme = Greatest Value = Maximum

Box and Whisker Plots

Five Number Summary

A box and whisker is created from five numbers called the Five Number Summary. This includes the Median, the lower quartile (Q1) , the upper quartile (Q3), the minimum (lowest number), and maximum (highest number).

Multiple Choice

Given the following box plot, what are the median, lower, and upper quartiles? 

• 11.5, 14, and 16 

• 12, 16, and 18 

• 12, 12.7, and 15 

• 11, 14, and 20 

Multiple Choice

Mrs. Johnson created this histogram of her 3rd period students’ test scores.  Which figure best describes the data?

Multiple Choice

How many cities have temperatures between 70 degrees and 99 degrees?

• 44
• 34
• 26
• 62

Multiple Choice

Members of the cross-country teams ran an obstacle course. The table shows the times, in minutes and seconds. Which Histogram represents the times from Team R on the obstacle course? 

Multiple Choice

The distributions of two classes’ final exam scores are shown.  Which statement about the box-and-whisker plots is true? 

• 50% of the scores for Mr. Smith’s class are between 65 and 80. 

• 50% of the scores for Mrs. Jones’ class are between 80 and 100. 

• The median scores for the two classes are the same. 

• The interquartile range of scores for Mr. Smith’s class is greater than the interquartile range of the scores for Mrs. Jones’ class. 

Dotplot

Quantitative data in a single variable is often collected in order to understand how a characteristic of a group differs amongst the group members or between groups.

Multiple Choice

Which of the following is the dot plot for the data: 8, 7, 6, 10, 5, 6, 6, 6, 8, 8. 

Multiple Choice

How many students spent 7 hours doing homework that week?

• 1
• 3
• 5
• 6

Multiple Choice

How many people have two or less books in their desk?

• 4
• 5
• 6
• 7

Multiple Select

A random sample of 200 teenagers participated in a taste test. Each teenager sampled four choices of fruit drink (labeled “A”, “B”, “C”, and “D”), and then were asked to pick a favorite. The table shows the results of this taste test. Based on the information given, which of the given statements are true? Select ALL that apply. 

• 40% of the participants were girls 

• 70% of the participants preferred “A” 

• $$\frac{20}{120}$$  of the boys preferred “D” 

• $$\frac{10}{35}$$  of the participants who preferred “B” were girls 

• The proportion of boys who preferred “C” is equal to the proportion of girls who preferred “C” 

Multiple Choice

What type of Data Display is this?

• Stem & Leaf Plot

• Histogram

• Line Plot

• Bar Graph

Multiple Choice

This is an example of a

• histogram

• dot plot

• frequency table

• relative frequency table

Multiple Choice

How many total people were surveyed?

• 224

• 448

• 131

• 146

Multiple Choice

What percentage of SUV's are driven by women?

• 56.25%

• 75%

• 83.25%

• 86.5%

Multiple Choice

A radio station did a survey to determine what kind of music to play by taking a sample of middle school, high school, and college students. They were asked which of three different types of music they prefer on the radio: hip-hop, alternative, or classic rock.  What percentage of college students prefer classic rock? 

• 14%

• 28%

• 33%

• 58%

Multiple Choice

What type of function would be better to model the data?

• Exponential

• Linear

• Quadratic

Fill in the Blanks

Dr. Padgett conducted an experiment on the number of bacteria growing in his lab. The data below shows his results. Write a function to model this situation. 

Multiple Choice

The scatterplot below represents the forearm lengths and foot lengths of 10 people. Based on a linear model of the data, which is the best prediction for the length of a person’s foot if his/her forearm length is 21 centimeters? 

• 19 cm

• 20 cm

• 22 cm

• 24 cm

Multiple Choice

The line of best fit for the scatterplot is y = 1.4x +2.9.

What is the residual for the point (4, 10)? 

• -1.5

• 1.5

• 8.5

• 10

Multiple Choice

The correlation coefficient between two variables is 0.9.

How would you describe this value? 

• Strong and positive 

• Strong and negative 

• Weak and positive 

• Weak and negative 

Multiple Choice

The following figure displays a graph showing GPA and SAT score. Based on the scatter plot, which of the following is the best assumption about the correlation between the variables? 

• Positive linear correlation 

• No correlation 

• Negative linear correlation 

• Exponential correlation