Ask Question, Ask an Expert

+1-415-315-9853

info@mywordsolution.com

Ask Statistics and Probability Expert

A psychologist would like to analyze the effects of new drug on activity level of animals. Three samples of rats are selected with n = 5 in each sample. One group gets no drug, one group gets small dose, and third group gets large dose. The psychologist records activity level for each animal. The data from this experiment are given below.

No drug Small dose Large dose  
5 5 10  
3 5 12  
1 9 9 G = 90
1 6 6 ΣX2 = 678
5 5 8  
T = 15 T = 30 T = 45  
SS = 16 SS = 12 SS = 20  

 (a) Do these data point out any significant differences among three groups? Test with α = .05.

-----------------and conclude that drug------------- a significant effect on the activity level. 

(b) Evaluate η2, the percentage of variance accounted for by treatment. (Round the answer to two decimal places.)

Statistics and Probability, Statistics

  • Category:- Statistics and Probability
  • Reference No.:- M921373

Have any Question? 


Related Questions in Statistics and Probability

Each of the following sentences violates a basic rule of

Each of the following sentences violates a basic rule of report writing. Indicate the relevant difficulty in each case. a. "The scale was coded to assess optimism, or lack thereof, in the participants." b. "Seven of the ...

1 what are the most common causes of missing data and what

1. What are the most common causes of missing data, and what difficulties do missing data cause? What can be done if data are missing? 2. Comment on the circumstances under which a researcher would consider deleting one ...

Problem 1 if we were to visit europa one of jupiters

Problem 1: If we were to visit Europa (one of Jupiter's Galilean moons) and we were to look at the sky, what would be Jupiter's angular size if Jupiter is in average 670,900 km away from Europa and has a diameter of 139, ...

While this campaign ended with a massive us military

While this campaign ended with a massive US military victory in which the Viet Cong were utterly destroyed as a fighting force, it is widely considered a major political defeat for the US because it initiated a major gro ...

The number of accidents occurring per week at a dangerous

The number of accidents occurring per week at a dangerous intersection, recorded over a period of 6 weeks are, 2, 1, 6, 5, 1, 3. What is the sample standard deviation for this data?

Analysis and applicable theoriesfor your analysis select

Analysis and Applicable Theories For your analysis, select two applicable theories content theories and two process theories from the list provided in this course. Please note the theories should be post-Frederick Winslo ...

Produce an spss output for an independent- samples t-test

Produce an SPSS output for an independent- samples t-test comparing male and female scores on self-esteem. a.) what are the null and alternative hypothesis? b.) What is the value of Cohen's d? Report in APA format. c.) W ...

Cnsider selecting one card at a time from a 52-card deck

Consider selecting one card at a time from a 52-card deck. What is the probability that the first card is from the suit of hearts and the second card is also from the suit of hearts? (Note there are 13 cards from the sui ...

There are 1000 students in a high school among the 1000

There are 1000 students in a high school. Among the 1000 students, 150 students take AP Statistics, and 300 students take AP French. 100 students take both AP courses. Let S be the event that a randomly selected student ...

A recent report suggested that older people think more

A recent report suggested that older people think more slowly than younger people because they have more information stored in their brains.  Because WeStudyEverything wasn't sure regarding the source of the study, they ...

  • 4,153,160 Questions Asked
  • 13,132 Experts
  • 2,558,936 Questions Answered

Ask Experts for help!!

Looking for Assignment Help?

Start excelling in your Courses, Get help with Assignment

Write us your full requirement for evaluation and you will receive response within 20 minutes turnaround time.

Ask Now Help with Problems, Get a Best Answer

Section onea in an atwood machine suppose two objects of

SECTION ONE (a) In an Atwood Machine, suppose two objects of unequal mass are hung vertically over a frictionless

Part 1you work in hr for a company that operates a factory

Part 1: You work in HR for a company that operates a factory manufacturing fiberglass. There are several hundred empl

Details on advanced accounting paperthis paper is intended

DETAILS ON ADVANCED ACCOUNTING PAPER This paper is intended for students to apply the theoretical knowledge around ac

Create a provider database and related reports and queries

Create a provider database and related reports and queries to capture contact information for potential PC component pro

Describe what you learned about the impact of economic

Describe what you learned about the impact of economic, social, and demographic trends affecting the US labor environmen