Answer:
(i) She gives each student a pretest. Then she teaches a lesson using a computer program. Afterwards, she gives each student a posttest. The teacher wants to see if the difference in scores will show an improvement.
Step-by- Step
The situation is a case of matched or paired samples since the samples are dependent. The two measurements are drawn from the same pair of individuals The parameter that is tested using matched pairs is the population mean and this is what teacher intends to use a hypothesis test for.
X*94 +688*6 = 267*100
94x+4128=26700
94X=22572 /94
X=240.128
C is the closest answer
Answer:
Draw a vertical line passing through (-3,0)
Answer:
24/6=4
48/6= 8
so x=8
Step-by-step explanation:
Start at the point (2, -3) and then go up 3 and to the right 4 a few points and then go down 3 and to the left 4 a few points and then from there you can get an equation out of it
