STAAR Data Analysis

the list shows the number of licenses issued every year to lobster boats for a 5 year period. What is the range of this data?

• 534

• 540

• 21

• 25

A student recorded the colors of marbles in a tally chart. In which table do the percentage represent the relative frequency of these marble colors.

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• 
• 
• 

The table shows the low temperature in degrees Fahrenheit for a city each day for 12 days.

What is the range of the temperatures in the table?

Mathematical Equivalence

ON

The dot plot shows the number of chess games won by each of the 20 students in a competition.

What is the interquartile range of the data?

Mathematical Equivalence

ON

Students at two high schools were asked about their plans after graduation. The table displays the results for 300 students at Henderson High School. The bar graph displays the results for 300 students at Johnson High School. Based on the data, what is plan is the mode for each high school?

• Work

• College

• Armed Forces

• Other

The stem and leaf plot shows the pressure in pounds per square inch of each bicycle tire in a shop. Which statement is best supported by the data in the stem and leaf plot?

• Half of the tire pressures are 75 pounds per square inch or less.

• There are more tires with pressures from 90 to 99 pounds per square inch than with pressures from 80-89 pounds per square inch.

• Three times as many tires have pressures from 50 to 59 pounds per square inch as tires that have a pressure of 65 pounds per square inch.

• There are more tires with pressures from 70 to 79 pounds per square inch than with pressures from 50 to 59 pounds per square inch.

• A

• B

• C

• D

• A

• B

• C

• D

• F

• G

• H

• J

• A

• B

• C

• D