Answer:
B
Step-by-step explanation:
mrk me brainliest plz
Answer:
Step-by-step explanation:
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.
The correct option is
A) She gives each student a pretest. Then she teaches a lesson using a computer program. Afterwards, she gives each student a post test. The teacher wants to see if the difference in scores will show an improvement.
You just need to find the same number on both sides for example -20 and 20
A veriable = 1, use it as with pemdas
Answer:
2 4/20
Step-by-step explanation:
4 × 2 = 8
8 + 3 = 11
11/4 × 4/5
11 × 4 = 44
4×5= 20
44/20
Simplified is
2 4/20