Find if male scores are higher than female scores

Assignment Help Basic Statistics

Reference no: EM13124033

The Johns Hopkins Regional Talent Searches gives the Scholastic Aptitude Test (intended for high school juniors and seniors) to 13-year-olds. In all, 19,883 males and 19,937 females took the tests between 1980 and 1982. The mean scores of males and females on the verbal test are nearly equal, but there is a clear difference between the sexes on the mathematics test. The reason for this difference is not understood. Here are the summary data.

Group s
Males 416 87
Females 386 74

1. Determine if the male scores are significantly higher than the female scores.

Reference no: EM13124033

Questions Cloud

Proof regarding ordering the reals : Let x and y be real numbers. Show that x 0 if and only if x 0 if and only if x=y.

Find confidence interval for mean number of hours worked : Standard deviation was 8.2 hours. What is the 95% confidence interval for the mean number of hours worked per week for the population of u.s men?

Linear equations-inequalities problems : How many solution sets do systems of linear inequalities have? Must solutions to systems of linear inequalities satisfy both inequalities?

Determining system of equations : The accompanying table shows the total cost of purchasing combinations of differently priced CDs. The types of CDs are labeled A, B, and C.

Find if male scores are higher than female scores : The reason for this difference is not understood. Here are the summary data. Determine if the male scores are significantly higher than the female scores.

Linear differential operator defined on the vector space : Let D be the linear differential operator defined on the vector space V of infinitely differentiable functions f: R-->R by D(f)=F

Linear equation-system of inequalities : A target heart rate T that is half a person's maximum heart rate is given by T=110 - 1/2A where A is a person's age.

Purchase of marketable securities : The securities sold on December 9 had cost the company $7,000, whereas the securities sold on December 18 had cost the company $6,000. (a) Record the purchase of marketable securities on December 4.

Linear equation and intersection : You want to order T-shirts for your organization. The price is $15 for each T-shirt and $10 for shipping. Write an expression for the amount of money this will cost you.

User Account

All Pages