Question

2.4.3 test (cst): describing data graphically miss rose teaches three ballet classes. her students data are shown in the relative frequency table. which statement is true? a. 15% of her students are boys. b. 10% of her students are in the beginner class. c. 60% of her students are girls. d. 35% of her students are in the intermediate class.

Explanation:

Step1: Analyze option A

The relative - frequency of boys is 0.4, which means 40% of students are boys, not 15%.

Step2: Analyze option B

The relative - frequency of beginner students is 0.25, which means 25% of students are in the beginner class, not 10%.

Step3: Analyze option C

The relative - frequency of girls is 0.6, which means 60% of students are girls. This statement is true.

Step4: Analyze option D

The relative - frequency of intermediate students is 0.55, which means 55% of students are in the intermediate class, not 35%.

Answer:

C. 60% of her students are girls.