Match the following ecological levels with their correct description:

Which age category has the lowest frequency? The histogram displays the ages of patrons at a move. 

Convert each of the following proportions to a percentage.  Decimal to a percent (multiply by 100) Do not round your answers. Do not include the % symbol in your answers. Convert each decimal to a percent. Proportion Percentage % 0.55 0.675 0.075 0.0015

Construct a relative frequency distribution from the following data: Round all answers to 3 decimal places. Data Table Blood Type Frequency Relative Frequency O 150 A 95 B 45 AB 25

A frequency distribution lists the  of occurrences of each category of​ data, while a relative frequency distribution lists the  of occurrences of each category of data. In a relative frequency distribution, the relative frequencies add up to .  

The following histogram displays the distribution of SAT (Scholastic Assessment Test) scores for a group of randomly selected students.  What proportion of students earned 940 or more points on the SAT?  (round to 2 decimal places)   

A frequency distribution lists the  of occurrences of each category of​ data, while a relative frequency distribution lists the  of occurrences of each category of data. In a relative frequency distribution, the relative frequencies add up to .  

The following histogram displays the distribution of SAT (Scholastic Assessment Test) scores for a group of randomly selected students.  What proportion of students earned 940 or more points on the SAT?  (round to 2 decimal places)   

The following frequency distribution represents the top speed of roller coasters throughout the United States (in miles per hour).  What is the class width? Speed Frequency 0 – 24.9 7 25 – 49.9 73 50 – 74.9 62 75 – 99.9 85 100 – 124.9 34 125 – 149.9 6 150 – 174.9 2 175 – 199.9 1

What percentage of persons favor purple juice? Round your answer to a whole number.  Do not include the % symbol.