What is the diference between Σ2n-1 and Σ2+ 135
1
n=1
O
3
4
7

What is the nth term rule of the linear sequence below? 27 , 25 , 23 , 21 , 19 , . .

The vertices of a triangle are a(7.5), b(4,2), and c19. 2). what is

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.