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For the data set {4, 8, 6, 5, 3}, what is the mean?

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Question: For the data set {4, 8, 6, 5, 3}, what is the mean?

Options:

  1. 4.5
  2. 5.5
  3. 6.0
  4. 5.0

Correct Answer: 5.0

Solution:

Mean = (4 + 8 + 6 + 5 + 3) / 5 = 26 / 5 = 5.0.

For the data set {4, 8, 6, 5, 3}, what is the mean?

Practice Questions

Q1
For the data set {4, 8, 6, 5, 3}, what is the mean?
  1. 4.5
  2. 5.5
  3. 6.0
  4. 5.0

Questions & Step-by-Step Solutions

For the data set {4, 8, 6, 5, 3}, what is the mean?
  • Step 1: Write down the numbers in the data set: {4, 8, 6, 5, 3}.
  • Step 2: Add all the numbers together: 4 + 8 + 6 + 5 + 3.
  • Step 3: Calculate the sum: 4 + 8 = 12, then 12 + 6 = 18, then 18 + 5 = 23, and finally 23 + 3 = 26.
  • Step 4: Count how many numbers are in the data set. There are 5 numbers.
  • Step 5: Divide the total sum (26) by the number of numbers (5): 26 / 5.
  • Step 6: Calculate the division: 26 divided by 5 equals 5.0.
  • Mean – The mean is the average of a set of numbers, calculated by summing all the values and dividing by the count of values.
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