If the mean of a set of numbers is 50 and there are 5 numbers, what is the total

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Question: If the mean of a set of numbers is 50 and there are 5 numbers, what is the total sum of the numbers? (2020)

Options:

Correct Answer: 200

Exam Year: 2020

Solution:

Total sum = Mean * Number of items = 50 * 5 = 250.

If the mean of a set of numbers is 50 and there are 5 numbers, what is the total sum of the numbers? (2020)

If the mean of a set of numbers is 50 and there are 5 numbers, what is the total sum of the numbers? (2020)

Step 1: Understand that the mean (average) is calculated by adding all the numbers together and then dividing by the number of items.
Step 2: Identify the mean given in the question, which is 50.
Step 3: Identify the number of items (numbers) given in the question, which is 5.
Step 4: Use the formula for total sum: Total sum = Mean * Number of items.
Step 5: Substitute the values into the formula: Total sum = 50 * 5.
Step 6: Calculate the total sum: 50 * 5 = 250.

Mean Calculation – Understanding that the mean is the total sum of numbers divided by the count of numbers.
Basic Arithmetic – Applying multiplication to find the total sum from the mean and the number of items.