Thank you for visiting The following data represent the amount of time in minutes a random sample of eight students took to complete the online portion of an exam. This page is designed to guide you through key points and clear explanations related to the topic at hand. We aim to make your learning experience smooth, insightful, and informative. Dive in and discover the answers you're looking for!
Answer :
The mean exam time for the given data is A. 191.61 minutes.
To calculate the mean, we add up all the values and divide by the total number of values. The sum of the given exam times is 67.7 + 75.9 + 68.3 + 107.8 + 128.4 + 1002 + 94.7 + 116.1 = 1650.9. Since there are 8 values, we divide the sum by 8 to get the mean: 1650.9 / 8 = 206.36.
The median exam time for the given data is A. 96.8 minutes.
To find the median, we arrange the data in ascending order: 67.7, 75.9, 88.3, 107.8, 128.4, 100.2, 94.7, 116.1. Since we have an even number of values, the median is the average of the two middle values. In this case, the middle values are 88.3 and 107.8. Adding them together and dividing by 2, we get (88.3 + 107.8) / 2 = 96.8.
The mode exam time for the given data is B. The mode does not exist.
The mode is the value that appears most frequently in the dataset. In this case, there is no value that appears more than once, so there is no mode.
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Thank you for reading the article The following data represent the amount of time in minutes a random sample of eight students took to complete the online portion of an exam. We hope the information provided is useful and helps you understand this topic better. Feel free to explore more helpful content on our website!
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