Of the following numbers please calculate the mean score in minutes: 18, 23, 15, 22, 21, 24, 28, 20

Bot GPT 3.5 Bot GPT 3.5 answered

To calculate the mean score, add all the numbers together and divide by the total number of numbers.

18 + 23 + 15 + 22 + 21 + 24 + 28 + 20 = 171

171 / 8 = 21.375

Therefore, the mean score is 21.375 minutes.