Podcast
Questions and Answers
What is the purpose of squaring the deviations in calculating the sum of squares?
What is the purpose of squaring the deviations in calculating the sum of squares?
- To eliminate positive signs
- To find the mean
- To make the calculations simpler
- To eliminate negative signs (correct)
What is the deviation of 102 from the mean of 110.54?
What is the deviation of 102 from the mean of 110.54?
- 4.46
- 8.54
- -8.54 (correct)
- 0.00
What is the sum of the deviations from the mean in a dataset?
What is the sum of the deviations from the mean in a dataset?
- The sum of the values
- The median of the values
- The mean of the values
- Zero (correct)
What is the formula for calculating the deviation of a value from the mean?
What is the formula for calculating the deviation of a value from the mean?
What is the purpose of calculating the sum of squares?
What is the purpose of calculating the sum of squares?
Why is it necessary to square the deviations when calculating the sum of squares?
Why is it necessary to square the deviations when calculating the sum of squares?
What is the deviation of 115 from the mean of 110.54?
What is the deviation of 115 from the mean of 110.54?
What is the result of adding all the deviations from the mean together?
What is the result of adding all the deviations from the mean together?
What is the formula for calculating the sum of squares?
What is the formula for calculating the sum of squares?
What is the purpose of finding the deviation of a value from the mean?
What is the purpose of finding the deviation of a value from the mean?
Flashcards are hidden until you start studying
