Aresearcher computes the definitional formula for ss, and finds that σ(x − m) = 44. if this is a sample of 12 scores, then what would the value of sample variance be using the computational formula?
a. 3.7
b. 4.0
c. 44
d. not possible to know because the scores are not given

Find the least common multiple of the expressions: 1. 3x^2, 6x - 18 2. 5x, 5x(x +2) 3. x^2 - 9, x + 3 4. x^2 - 3x - 10, x + 2 explain if possible

The difference of three and the reciprocal of a number is equal to the quotient of 20 and the number. find the number.

Long division setup showing an incomplete calculation. 12 is in the divisor, 6839 is in the dividend, and 5 hundreds and 6 tens is written in the quotient. 6000 is subtracted from 6839 to give 839. an unknown value represented by a box is being subtracted from 839. what number should be placed in the box to complete the division calculation?