Answer:
C. There is not enough information to make any conclusions regarding the new review booklet.
Step-by-step explanation:
Given that A statistics teacher conducted an experiment to test whether the use of a new review booklet will improve her students' semester grades.
also given that The teacher randomly selected 20 students from her class and assigned the new review booklet to 10 of the students. The remaining 10 students did not use any review material.
The semester grades did not differ for both groups.
But we cannot conclude the booklet has no effect because,
i) The sample size is very small, only 10. Hence not reliable
ii) We do not know the previous performance of both the groups. To ensure improvement the grades the students got in the previous exam also should be considered.
Answer:
$180
Step-by-step explanation:
I hope this helps........
Answer:
Step-by-step explanation:
Answer:
C
Step-by-step explanation:
Answer:
undefined slope
Step-by-step explanation:
There us change in rise but no change in run or x value. This means is a vertical line and it's slope is undefined.
