Q: In any distribution is the sum of the squared deviations from the mean always equal to zero?

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An odd number squared would always equal an odd number and an even number squared would always equal an even

yes......... a metre square is always equal to square metred

yes

100%

13 squared x 4 squared is equal to 2,704.

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An odd number squared would always equal an odd number and an even number squared would always equal an even

No. They are equal only if the distribution is symmetrical.

No, because the hyponenuse is always longer than the legs, so they are not equal, a squared + b squared = c squared

it equals positive one. one squared is always one. if they're both negative, negative times negative is always positive.

Zero.

Sin squared is equal to 1 - cos squared.

3 squared is equal to 9

yes......... a metre square is always equal to square metred

-It is symmetrical (mean = median) -It is bell shaped (empirical rule applies) -The interquartile range equals 1.33 standard deviations -The range is appr. equal to 6 stand. dev.

It is equal to zero in ALL distributions.

yes

what is 10 squared DOES NOT equal what?