Answer:
B. A teacher compares the pre-test and post-test scores of students
Step-by-step explanation:
the answer is true, because it is a good example to compare the tests between students, we know that a matching pair design is a random model and is used when the experiment allows grouping subjects in pairs based on a variable and each pair will receive randomly a different handling, the answer A is not true because in the example all students are uniformly averaged and the variable is not correlated with subgroups, option c is incorrect because the variable was not randomized and generates classification bias and the option d is incorrect because the teacher compares a small sample as her class with a score of a total sample, but does not intervene on her students when selecting the corresponding group
Answer:
the bench costs $546
Step-by-step explanation:
subtract the cost of the table from the total
623 - 77 = 546
Answer:
The Answer is (1,10)
Step-by-step explanation:
First, I saw the operation done on point (5,8), to translate it to point (3,9), then I did this operation again to get the answer.
[The operation I'm talking about is (x-2,y+1)]
Answer:
poop hehe
Step-by-step explanation:
