When a trend line is drawn on a scatter plot, there are four points above the trend line. about how many points should be below the trend line?

a. 0
b. 2
c. 4
d. 8

Acomputer store buys a computer system at a cost of $370.80. the selling price was first at $ 618, but then the store advertised a 20 % markdown on the system. answer parts a and b. a. find the current sale price.

Is triangle jkl congruent to triangle rst? if so, what is the scale factor?

Scores on the cognitive scale of the bayley-scales of infant and toddler development range from 1 to 19, with a standard deviation of 3. calculate the margin of error in estimating the true mean cognitive scale score, with 99% confidence, if there are 12 infants and toddlers in a sample.