stats

The College Board SAT college entrance exam consists of three parts: math, writing and critical reading (The World Almanac 2012). Sample data showing the math and writing scores for a sample of twelve students who took the SAT follow. http://west.cengagenow.com/ilrn/books/assb12h/images/webfiles/ch10/TestScores.xls Using a .05 level of significance and test for a difference between the population mean for the math scores and the population mean for the writing scores? Enter negative values as negative numbers. Round your answer to two decimal places.

#### Related Questions in Basic Statistics

• ##### Q :What is Interactive Response Time Law

Interactive Response Time Law:

• R = (L/X) - Z
• Applies to closed systems.
• Z is the think time. The time elapsed since&nb

• ##### Q :MANOVA and Reflection Activity

Activity 10:   MANOVA and Reflection

4Comparison of Multiple Outcome Variables

This activity introduces you to a very common technique - MANOVA. MANOVA is simply an extension of an ANOV

• ##### Q :Model Checking Approach Model Checking

Model Checking Approach:

• Specify program model and exhaustively evaluate that model against a speci?cation
–Check that properties hold

• ##### Q :Data Description 1. If the mean number

1. If the mean number of hours of television watched by teenagers per week is 12 with a standard deviation of 2 hours, what proportion of teenagers watch 16 to 18 hours of TV a week? (Assume a normal distribution.) A. 2.1% B. 4.5% C. 0.3% D. 4.2% 2. The probability of an offender having a s

• ##### Q :STATISTICS Question This week you will

This week you will analyze if women drink more sodas than men.  For the purposes of this Question, assume that in the past there has been no difference.  However, you have seen lots of women drinking sodas the past few months.  You will perform a hypothesis test to determine if women now drink more

• ##### Q :Explain Service times Service times: A)

Service times:

A) In most cases, servicing a request takes a “short” time, but in a few occasions requests take much longer.

B) The probability of completing a service request by time t, is independent of how much tim

• ##### Q :State Littles Law Little’s Law : • L =

Little’s Law:

• L = λR = XR

• Lq = λW = XW

• Little’s Law holds as long as customers are not destroyed or&nbs

• ##### Q :Calculate the p- value Medical tests

Medical tests were conducted to learn about drug-resistant tuberculosis. Of 284 cases tested in New Jersey, 18 were found to be drug- resistant. Of 536 cases tested in Texas, 10 were found to be drugresistant. Do these data indicate that New Jersey has a statisti

• ##### Q :What is your conclusion The following

The following data were collected on the number of emergency ambulance calls for an urban county and a rural county in Florida. Is County type independent of the day of the week in receiving the emergency ambulance calls? Use α = 0.005. What is your conclusion?

Day of the Week<

• ##### Q :Point of estimate standing data se to

standing data se to develop a point of estimate