9 Nov 2021
Problem 118g
Page 149
Section: BRINGING IT TOGETHER: HOMEWORK
Chapter 2: DESCRIPTIVE STATISTICS
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9 Nov 2021
Given information
engineering conferences were announced. Four conferences lasted two days. Thirty-six lasted three days. Eighteen lasted four days. Nineteen lasted five days. Four lasted six days. One lasted seven days. One lasted eight days. One lasted nine days.
And the length (in days) of an engineering conference.
Step-by-step explanation
Step 1.
Mean is a measure of central tendency. Mean is also termed as average. It is the ratio of sum of all the values to the total number of values.
The formula to calculate mean is:
where, , is the frequency.
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