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Find the mean, median, and mode of the set of numbers. \( 97,75,98,75,55,53,97,56,73,62,55,55 \) What is the mean? \( \square \) (Type an integer or decimal rounded to one decimal place as needed.) What is the median? \( \square \) (Type an integer or a decimal.) What is the mode? Select the correct choice below and, if necessary, fill in the answer box to complete your choice. A. The mode is B. There is no mode.

Ask by Tyler Carter. in the United States
Jan 24,2025

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Answer

**Mean:** 70.9 **Median:** 67.5 **Mode:** 55

Solution

Let's calculate the mean, median, and mode for the given set of numbers: **Given Numbers:** \( 97, 75, 98, 75, 55, 53, 97, 56, 73, 62, 55, 55 \) ### 1. Mean **Calculation:** \[ \text{Mean} = \frac{97 + 75 + 98 + 75 + 55 + 53 + 97 + 56 + 73 + 62 + 55 + 55}{12} = \frac{851}{12} \approx 70.9 \] \[ \boxed{70.9} \] ### 2. Median **Step-by-Step:** 1. **Sort the Numbers:** \[ 53, 55, 55, 55, 56, 62, 73, 75, 75, 97, 97, 98 \] 2. **Find the Middle Values:** - Since there are 12 numbers, the median is the average of the 6th and 7th numbers. - 6th number: 62 - 7th number: 73 3. **Calculate the Median:** \[ \text{Median} = \frac{62 + 73}{2} = \frac{135}{2} = 67.5 \] \[ \boxed{67.5} \] ### 3. Mode **Identification:** - **Frequency of Each Number:** - 53: 1 time - 55: 3 times - 56: 1 time - 62: 1 time - 73: 1 time - 75: 2 times - 97: 2 times - 98: 1 time - **Mode:** The number that appears most frequently is **55**. **Answer:** **A. The mode is \( \boxed{55} \).**

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To find the mean, median, and mode of the set \( 97, 75, 98, 75, 55, 53, 97, 56, 73, 62, 55, 55 \), first we calculate the mean. **Mean:** Add all the numbers together: \( 97 + 75 + 98 + 75 + 55 + 53 + 97 + 56 + 73 + 62 + 55 + 55 = 955 \). Now, divide by the number of values (12): Mean = \( \frac{955}{12} = 79.6 \). **Median:** First, arrange the numbers in ascending order: \( 53, 55, 55, 55, 56, 62, 73, 75, 75, 97, 97, 98 \). Since there are 12 numbers (even), the median will be the average of the 6th and 7th values: Median = \( \frac{62 + 73}{2} = 67.5 \). **Mode:** The number that appears most frequently is 55 (it appears 4 times). So, the correct choice is: A. The mode is 55. In summary: Mean: \( 79.6 \) Median: \( 67.5 \) Mode: \( 55 \).

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