Here are the math test scores of 10 randomly selected students from Class 1 and Class 2. Class 1: 75 80 84 79 92 86 88 86 86 90 Class 2: 83 85 91 93 72 85 76 80 82 89 Find the mean score of each sample. Based on the mean, which class generally performed better on the math test? (2 points) The mean score for Class 1 is . The mean score for Class 2 is . Based on the mean, Class generally performed better on the math test.

Question

Here are the math test scores of 10 randomly selected students from Class 1 and Class 2. Class 1: 75 80 84 79 92 86 88 86 86 90 Class 2: 83 85 91 93 72 85 76 80 82 89 Find the mean score of each sample. Based on the mean, which class generally performed better on the math test? (2 points) The mean score for Class 1 is . The mean score for Class 2 is . Based on the mean, Class generally performed better on the math test.

Answer 1

The mean score for Class 1 is (75+80+84+79+92+86+88+86+86+90)/10 = 85.

The mean score for Class 2 is (83+85+91+93+72+85+76+80+82+89)/10 = 83.6.

Based on the mean, Class 1 generally performed better on the math test as it has a higher mean score compared to Class 2.