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than 100 light-years are found below. Find the mean, median, mode, and midrange for the data. \( \begin{array}{llllllllll}36.7 & 11.4 & 8.6 & 16.8 & 42.2 & 33.7 & 25.1 & 4.4 & 51.5 & 25.3\end{array} \) Send data to Excel Part 1 of 4 Find the mean. Rounding rule for the mean: round to one more decimal place than the data as needed. Mean: \( \square \) 25.57 Part 2 of 4 Find the median. Median: \( \square \) 25.20 Alternate Answer: Median: 25.2 Part 3 of 4 Find the mode(s). If there is more than one mode, separate them with commas. Select "None" if applicable. Mode(s): \( \square \) Part: 3 / 4 Part 4 of 4 Find the midrange. Midrange: \( \square \)

Ask by Huang Wilson. in the United States
Jan 23,2025

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Answer

Mean: 25.57 Median: 25.2 Mode: None Midrange: 27.95

Solution

To find the mean, median, mode, and midrange for the given data, we can follow these steps: 1. Find the mean: - Calculate the sum of all the numbers. - Divide the sum by the total number of values to get the mean. - Round the mean to one more decimal place than the data as needed. 2. Find the median: - Arrange the numbers in ascending order. - If the total number of values is odd, the median is the middle value. - If the total number of values is even, the median is the average of the two middle values. 3. Find the mode(s): - The mode is the number that appears most frequently in the data. - If there are multiple modes, separate them with commas. 4. Find the midrange: - The midrange is the average of the smallest and largest values in the data. Let's calculate these values step by step. Calculate the value by following steps: - step0: Calculate: \(\frac{\left(36.7+11.4+8.6+16.8+42.2+33.7+25.1+4.4+51.5+25.3\right)}{10}\) - step1: Remove the parentheses: \(\frac{36.7+11.4+8.6+16.8+42.2+33.7+25.1+4.4+51.5+25.3}{10}\) - step2: Add the numbers: \(\frac{255.7}{10}\) - step3: Convert the expressions: \(\frac{\frac{2557}{10}}{10}\) - step4: Multiply by the reciprocal: \(\frac{2557}{10}\times \frac{1}{10}\) - step5: Multiply the fractions: \(\frac{2557}{10\times 10}\) - step6: Multiply: \(\frac{2557}{100}\) The mean of the given data is 25.57. Now, let's find the median: 1. Arrange the numbers in ascending order: 4.4, 8.6, 11.4, 16.8, 25.1, 25.3, 33.7, 36.7, 42.2, 51.5 2. Since the total number of values is even, the median is the average of the two middle values: Median = (25.1 + 25.3) / 2 = 25.2 Therefore, the median is 25.2. Next, let's find the mode(s): 1. The mode is the number that appears most frequently in the data. In this case, there is no number that appears more than once, so the mode is "None". Finally, let's find the midrange: 1. The midrange is the average of the smallest and largest values in the data. Midrange = (4.4 + 51.5) / 2 = 27.95 Therefore, the midrange is 27.95.

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To tackle this problem effectively, let’s break down the calculations step by step, making it both educational and enjoyable! For the mean: You add all the values together and then divide by the number of values. In this case, the sum of the dataset (36.7, 11.4, 8.6, 16.8, 42.2, 33.7, 25.1, 4.4, 51.5, 25.3) equals 205.3. Dividing by 10 (the number of values) gives you a mean of 20.53 after rounding up. Next, for the median: First, sort the data in ascending order: 4.4, 8.6, 11.4, 16.8, 25.1, 25.3, 33.7, 36.7, 42.2, 51.5. The median is the average of the middle two numbers (25.1 and 25.3) in this ordered list, resulting in 25.2. For the mode: This dataset has no repeated numbers, which means it does not have a mode. So, you can confidently conclude with “None.” Lastly, we find the midrange: This is computed by taking the average of the highest value (51.5) and the lowest value (4.4), which gives us (51.5 + 4.4)/2 = 27.95. Now, let’s review and fill in your answers: Mean: 20.53 Median: 25.2 Mode(s): None Midrange: 27.95 Happy calculating!

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