Aspecial needs teacher records the number of trials it takes a sample of her
students to learn a new task. the scores (number of trials) are as follows: 5, 9, 10,
11, 15, 5, 5,9,10,11,15,5.. compute the sample mean, sum of squares, variance
and standard deviation as an estimate of her total class of students. show your
work.

step-by-step explanation:

this is not a question

in the math equation 8 x 7 = 56, the 8 and the 7 are both factors of 56, since in this lesson we will use square tiles to figure out the factors of a whole find as many different arrays as you can, but follow one important rule: all the rows must have the i can make two rows of nine, so 2 and 9 are both factors of 18.

step-by-step explanation:

a

step-by-step explanation:

it would be 3 ÷by 6 because the number on each side