Question 1

What is mean?

Accepted Answer

Mean is the average of all numbers. Sum all values and divide by the count.

Question 2

What is median?

Accepted Answer

Median is the middle value when numbers are sorted. If there's an even count, it's the average of the two middle values.

Question 3

What is mode?

Accepted Answer

Mode is the value(s) that appear most frequently in the data set.

Question 4

What is standard deviation?

Accepted Answer

Standard deviation measures how spread out numbers are from the mean. A low value means data is clustered close to the mean.

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