on the first day of science class, leos teach...
on the first day of science class, leos teacher asked the class about their favorite science topics. of the whole class, 6 students chose chemistry, 3 students chose earth science, 9 students chose physics, and 12 students chose biology. complete the relative - frequency table for the data. favorite science topics topic chemistry earth science physics biology relative frequency % % % %
Answer
# Explanation:
## Step1: Calculate total number of students
$6 + 3+9 + 12=30$
## Step2: Calculate relative - frequency of Chemistry
Relative frequency of Chemistry $=\frac{6}{30}\times100\% = 20\%$
## Step3: Calculate relative - frequency of Earth science
Relative frequency of Earth science $=\frac{3}{30}\times100\% = 10\%$
## Step4: Calculate relative - frequency of Physics
Relative frequency of Physics $=\frac{9}{30}\times100\% = 30\%$
## Step5: Calculate relative - frequency of Biology
Relative frequency of Biology $=\frac{12}{30}\times100\% = 40\%$
# Answer:
| Topic | Chemistry | Earth science | Physics | Biology |
| ---- | ---- | ---- | ---- | ---- |
| Relative frequency | 20% | 10% | 30% | 40% |