The Following Are Scores from a Mathematics Test

question 221

Multiple Choice

The following are scores from a mathematics test. Make a frequency distribution and use it to find the mean score. Please round your answer to the nearest tenth.

• A) Values Frequency 53 6 57 7 68 6 72 5 84 4 91 2 93 3 Mean score = 69.0
• B) Values Frequency 53 7 57 6 68 6 72 5 84 4 91 2 93 3 Mean score = 69.0
• C) Values Frequency 53 7 57 7 68 5 72 5 84 4 91 2 93 3 Mean score = 69
• D) Values Frequency 53 6 57 6 68 6 72 5 84 4 91 2 93 3 Mean score = 68.3
• E) Values Frequency 53 7 57 6 68 6 72 5 84 4 91 2 93 3 Mean score = 69.5

---

Definitions:

Socially Optimal

Pertains to a condition where resources are allocated in the most efficient manner from the perspective of society as a whole.

Pollution

The presence or introduction of harmful substances or contaminants into the natural environment, causing adverse effects.

Emissions Standard

Regulations that set limits on the amount of pollutants that can be emitted from sources like vehicles and factories.

Pollution

The contamination of the environment by harmful or poisonous substances, leading to detrimental effects on living organisms and the natural habitat.