11 math problems please take a look and see if can help me
Question 1 of 20 
5.0 Points 
The students in Hugh Logan’s math class took the Scholastic Aptitude Test. Their math scores are shown below. Find the mean score.
552 593358 352 537
349 357 596 470 482
A. 446.8 



B. 474.6 



C. 462.8 



D. 464.6 








Question 2 of 20 
5.0 Points 
Consider the distribution of mathematics SAT scores of students in honors calculus at a liberal arts college. What would you expect the shape and variation of the distribution to be?
A. Symmetric with little variation 


B. Symmetric with large variation 


C. Skewed right with large variation 


D. Skewed left with little variation
Find the mode(s) for the given sample data.
66, 25, 66, 13, 25, 29, 56, 66
The mathematics SAT scores of the seven students in a mathematics seminar are 538, 550, 570, 593, 610, 622, and 634. Suppose the student with the score 634 drops the seminar and is replaced by a student with a score of 600. What will happen to the mean and the median scores of the class?
A softball player has a batting average of exactly .300 and no more than 60 times at bat. Suppose this player gets 5 hits in her next 6 times at bat. What is the highest possible average she could now have?
The federal government requires a car manufacturer to have a minimum miles per gallon (mpg) average over the models it makes. Suppose that the average mpg for the four models manufactured is 24 mpg and the government standard is 31 mpg. The manufacturer will add a model. What mileage must the new model get so that the manufacturer meets the government requirement?
The mathematics SAT scores of the seven students in a mathematics seminar are 533, 553, 578, 586, 619, 626, and 633. Suppose that the student with the score 533 drops the seminar and is replaced by a student with a score of 765. What will happen to the mean and the median scores of the class?
The annual precipitation for one city is normally distributed with a mean of 28 inches and a standard deviation of 3.4 inches. Fill in the blanks. In 95% of the years, the precipitation in this city is between __________ and __________ inches. Apply the 689599.7 rule to this question.



Subject  Mathematics 
Due By (Pacific Time)  05/13/2015 12:00 am 
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