statistics
posted by brandon .
3. Use the following SAT score data to answer the questions that follow.
Gender Verbal Math
M 600 690
M 610 550
F 490 800
F 680 610
M 520 540
F 680 660
M 650 700
M 600 560
F 550 560
M 490 390
F 530 530
M 560 560
F 630 590
F 510 520
M 710 740
F 550 560
M 690 620
M 700 700
M 540 620
F 280 500
M 710 760
F 640 710
M 600 590
M 610 670
M 680 670
a. Use this sample to compute a 90% confidence interval for the mean SAT Math score at this school.
b. The national mean Math score is 503. Use your confidence interval and compare the performance of these students to the national mean. State your conclusions.
c. Set up and test an appropriate hypothesis to determine if the mean Math score at this school differs from the national mean of 503. Please show all the parts of your test: i.e. the null hypothesis, the alternative hypothesis, either the zscore or the pvalue, and your conclusion stated mathematically and as a sentence in the context of the problem. Use alpha = .05.
d. Use this sample to compute a 90% confidence interval for the mean SAT Verbal score for Females at this school.
e. Use this sample to compute a 90% confidence interval for the mean SAT Verbal score for Males at this school.

statistics 
PsyDAG
We do not do your work for you. Once you have attempted to answer your questions, we will be happy to give you feedback on your work. Although it might require more time and effort, you will learn more if you do your own work. Isn't that why you go to school?

statistics 
fast eddie
im not asking fo the answers i just need help getting started. thank you
Respond to this Question
Similar Questions

statistics
Every year thousands of students take the SAT'S. RECENT TRENDS SHOW THAT THE SCORES ON THE VERBAL SECTION FOLLOW AN APPROX. NORMAL DISTRIBUTION WITH MEAN 550 AND STANDARD DEVIATION OF 110 68.26% OF THE STUDENTS WHO TAKE THE SAT VERBAL … 
math 157
The data in the table are the number and percent of U.S. high school students scoring in specific ranges on the Scholastic Assessment Test (SAT) in mathematics. Use these data to answer the following questions. a. Make a histograph … 
Math
The following data represent what 18 people said when they were asked to estimate the crowd at a public gathering: 325 450 500 500 550 575 575 600 600 650 650 700 700 700 725 750 800 900 State the mean, mode, median Mean: 325+450+500+500+550+575+575+600+ … 
statistics in psychology
An analysis of the combined SAT scores (Verbal + Math) of a sample of psychology majors at one school indicated that the mean was 939 and the standard deviation was 166. Show your calculations used the answer the following two questions. … 
STATISTICS HELP PLEASE
Gender Math M 690 M 550 F 800 F 610 M 540 F 660 M 700 M 560 F 560 M 390 F 530 M 560 F 590 F 520 M 740 F 560 M 620 M 700 M 620 F 500 M 760 F 710 M 590 M 670 M 670 a. Determine whether the sample provides statistical evidence that males … 
Statistics
Among first year students at a certain university, scores on the Verbal SAT follow the normal curve; the average is around 550 and the SD is about 100. a) what percentage of these students have scores in the range 400 to 700? 
statistics
Bob scores 610 on his SAT's. If the mean score is 580 and the standard deviation is 115, what percentile is Bob's SAT score? 
statistics
The box plot below summarize the distributions of SAT verbal and math scores among students at an upstate New York high school. 300 400 500 600 700 800 data Whic of the following statements is false? 
Statistics
Scores on the SAT verbal test in recent years follow approximately N(504,111) distribution. What is the proportion of students scoring between 450 and 550? 
math
The distriubution of the SAT scores in math for an incoming class of business students has a mean of 580 and standard deviation of 25. Assume that the scores are normally distributed. a. Find the probability that an individual's SAT …