Asked by lauren
For this class, the first quiz had a mean of 90.4% with a standard deviation od 16.6%. The homework scores have a mean of 81.7% with a standard deviation of 22.28%. Suppose you scored 90% on quiz one and have a homework total of 84%.
A)are the reported means and standard deviations, parameters or statistics? explain
b)a student is chosen at random. His homework scores are higher than 65% of the class. find his homework score.
A)are the reported means and standard deviations, parameters or statistics? explain
b)a student is chosen at random. His homework scores are higher than 65% of the class. find his homework score.
Answers
Answered by
Damon
A) sorry, never took the subject so do not know the words, am physics major.
B)
homework mean = 81.7
homework s = 22.28
on a normal distribution table, 65% of class is below mean + .4 sigma = 81.7+8.912 = 90.6
so his score is above 90.6
B)
homework mean = 81.7
homework s = 22.28
on a normal distribution table, 65% of class is below mean + .4 sigma = 81.7+8.912 = 90.6
so his score is above 90.6
There are no AI answers yet. The ability to request AI answers is coming soon!
Submit Your Answer
We prioritize human answers over AI answers.
If you are human, and you can answer this question, please submit your answer.