Compare Two or More Displays of the Same Data

The prices for several items at two stores are given below. Based on this data, which statement is true?

• The standard deviation for Store X is greater than the standard deviation for Store Y by about 0.03.

• The standard deviation for Store X is greater than the standard deviation for Store Y by about 0.3.

• The standard deviation for Store X is less than the standard deviation for Store Y by about 0.03.

• The standard deviation for Store X is less than the standard deviation for Store Y by about 0.3.

The box-and-whisker plots shown below represent the salaries of employees at two different companies. 

• $0

• $500

• $1000

• $2000

Two dot plots are graphed. Which statement about these data sets is most likely true?

• The median of Data Set 2 is less than the median of Data Set 1.

• The range of Data Set 2 is greater than the range of Data Set 1.

• The modes of Data Sets 1 and 2 are equal.

• The mean of Data Set 2 is greater than the mean of Data Set 1.

The histograms below show the scores for Mrs. Smith’s first and second block class at Red Rock Middle School. Compare the histograms using the following information:  69 and above is passing  68 or below is failing Which of the following statements is true?

• More students passed in first block than second block.

• More students passed in the second block than first block.

• The number of students that passed the test is the same in both classes.

• Cannot be determined based on the graphs given.

A social networking website researched the ages of its male users and female users. The findings were recorded in the box plots below. Which statement about the social network users is true?

• The means of the two sets of data are equal.

• The lower quartiles of the two sets of data are the same.

• There are more male users than female users who are 27 years of age or older.

• The interquartile range for male users is greater than the interquartile range for female users.

what kind of graph helps us compare or present more than one kind of information, situation, or events instead of just one?

• SINGLE BAR GRAPH

• DOUBLE BAR GRAPH

• CONTINOUS LINE GRAPH

• PIE CHART

Mr. Jackson had students grow the same type of plant in two different rooms to test the growing conditions. The results are shown in the box plant. Choose ALL true statements below.

• Room 7G has the tallest plant.

• 75% of 7D plants are 8 in. or taller.

• 7G has a greater median height.

• Room 7D has the shortest and tallest plants.

Two classes of students took the same math test. The two box plots show a summary of their results rounded to the nearest whole number. Class A's MAD is 2.3 and Class B's MAD is 2.8. Which class' results were the least variable?

• Class A

• Class B

Which film has the most variability for it's viewers age?

• Film A

• Film B

• Film C