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What is the chi square test used for?
The chi-squared test is used to compare the observed results with the expected results. If expected and observed values are equal then chi-squared will be equal to zero. If chi-squared is equal to zero or very small, then the expected and observed values are close. Calculating the chi-squared value allows one to determine if there is a statistical significance between the observed and expected values. The formula for chi-squared is: X^2 = sum((observed - expected)^2 / expected) Using the degrees of freedom, use a table to determine the critical value. If X^2 > critical value, then there is a statistically significant difference between the observed and expected values. If X^2 < critical value, there there is no statistically significant difference between the observed and expected values.
What two numbers added equal 7 and multiplied equal -8?
-1
Does -3 squared equal -9?
No, it equals positive 9. Any negative number squared will always give a positive result; the square root of a negative number is always imaginary (a mathematical term, referring to 'i'). So, (-3)2 = 9 and -32 = -9.
What two numbers when added equal -4 and when multiplied equal -5?
-9
What is the probability of rolling the sum of 12 with 2 dice?
Since you need a specific number - the number 6 - twice, the probability is (1/6)2, which is equal to 1/36.Since you need a specific number - the number 6 - twice, the probability is (1/6)2, which is equal to 1/36.Since you need a specific number - the number 6 - twice, the probability is (1/6)2, which is equal to 1/36.Since you need a specific number - the number 6 - twice, the probability is (1/6)2, which is equal to 1/36.
Does 1 meter squared equal 1000 millimeters squared?
(1 metre) squared = (1000 mm) squared = 1000000 mm squared.
Is one liter equal to 1 decimeter squared or 1 centimeter squared?
Neither, one liter is equal to 1 decimeter cubed.
What does the number 1 squared equal?
one squared equals one.
What does 1 squared by 5 equal?
There is no such thing as 1 SQUARED by 5. It is actually 1 to the 5th power, which is 1.
Does 0 squared equal 1?
No, it equals 0. If you have nothing, and you multiply it by nothing, you still have nothing.
What is cosine squared theta equal to'?
Cosine squared theta = 1 + Sine squared theta
What 2 integers squared equal 65?
1 squared plus 8 squared or 4 squared plus 7 squared
Does 1 cm squared equal 1 liter?
No
What is 1 squared radical 40 plus 3 squared radical 10 equal?
1 squared radical 40 is equal to 1 squared radical (4 x 10), and this become 2 squared radical 10. By adding 2 squared radical10 with 3 squared radical 10 we get 5 squared radical 10.
What does i squared equal?
i = sqrt of (-1) ( imaginary) i squared = sqrt(-1) x sqrt (-1) = -1 (minus one)
What does 1 - tangent squared equal?
pineapple
Is a minus b squared the same as a squared minus b squared?
No, unless "a" happens to be equal to 0, or to 1.
