Calculate a t test and interpret your results

Assignment Help Basic Statistics
Reference no: EM131384144

Two sisters attend different universities. Each is sure that she has to compete with brighter students than her sister. They decide to settle their disagreement by comparing ACT admission scores of freshmen at the two schools. Suppose they bring you the following data and ask for an analysis. The N's represent all freshmen for one year.

 

The U.

State U.

X

23.4

23.5

S^

3

3

N

8000

8000

The sisters agree to a significance level of .05. Begin by deciding whether to use a one-tailed or a two-tailed test. Calculate a t test and interpret your results. Be sure to carry several decimal places in your work on this problem.

Reference no: EM131384144

Questions Cloud

Write a conclusion about the effect of a 20 percent : Analyze the data in the table and write a conclusion about the effect of a 20 percent loss of cortex on retention of memory for a simple maze.
Determine the forces in cables acb and cde : The symmetric cable and pulley arrangement shown is used to lift a fragile architectural stone beam. If the only significant mass in the system is the 800 kg mass m of the beam, determine the forces in cables ACB and CDE.
Analyze data which are in minutes and write a conclusion : After training, each employee completed a search report on 40 products. Analyze the data, which are in minutes, and write a conclusion about the new software package.
Give the answer of muliple choice question : Terry developed an intense fear of riding motorcycles 2 years ago when he was injured in a major accident. Today, after numerous, uneventful motorcycle rides, he can again drive without distress. Which of the following best describes what has happ..
Calculate a t test and interpret your results : Begin by deciding whether to use a one-tailed or a two-tailed test. Calculate a t test and interpret your results. Be sure to carry several decimal places in your work on this problem.
Find the largest mass m of the stone beam : Determine the largest mass m of the stone beam that may be lifted, assuming this is the only significant mass in the system.
Reread the problem analyze the scores and write a conclusion : The accompanying table shows data based on the aggression and toys experiment described in given problem. Reread the problem, analyze the scores, and write a conclusion.
Determine the force p required to hold the blocks : Blocks A and B each weigh 100 lb and rest on frictionless surfaces. They are connected to one another by cable AB. Determine the force P required to hold the blocks in the equilibrium position shown and the reactions between the blocks and surface..
Which do you respond faster to visual or an auditory signal : The reaction times (RT) of seven students were measured for both signals. Decide whether the study is an independent- or paired-samples design, analyze the data, and write a conclusion.

Reviews

Write a Review

Basic Statistics Questions & Answers

  Statistics-probability assignment

MATH1550H: Assignment:  Question:  A word is selected at random from the following poem of Persian poet and mathematician Omar Khayyam (1048-1131), translated by English poet Edward Fitzgerald (1808-1883). Find the expected value of the length of th..

  What is the least number

MATH1550H: Assignment:  Question:     what is the least number of applicants that should be interviewed so as to have at least 50% chance of finding one such secretary?

  Determine the value of k

MATH1550H: Assignment:  Question:     Experience shows that X, the number of customers entering a post office during any period of time t, is a random variable the probability mass function of which is of the form

  What is the probability

MATH1550H: Assignment:Questions: (Genetics) What is the probability that at most two of the offspring are aa?

  Binomial distributions

MATH1550H: Assignment:  Questions:  Let’s assume the department of Mathematics of Trent University has 11 faculty members. For i = 0; 1; 2; 3; find pi, the probability that i of them were born on Canada Day using the binomial distributions.

  Caselet on mcdonald’s vs. burger king - waiting time

Caselet on McDonald’s vs. Burger King - Waiting time

  Generate descriptive statistics

Generate descriptive statistics. Create a stem-and-leaf plot of the data and box plot of the data.

  Sampling variability and standard error

Problems on Sampling Variability and Standard Error and Confidence Intervals

  Estimate the population mean

Estimate the population mean

  Conduct a marketing experiment

Conduct a marketing experiment in which students are to taste one of two different brands of soft drink

  Find out the probability

Find out the probability

  Linear programming models

LINEAR PROGRAMMING MODELS

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd