Mean and standard deviation , Mathematics

Assignment Help:

A professor is interested in decisive if attending college influences the level at which an individual cooperates with the police. The professor is not sure  if attending college will teach respect for authority and therefore  increase level of cooperation or if college will teach independent thinking and therefore  lead to deceased level of cooperation. To address this question, the professor gathers information from the students in an undergraduate course and measures their propensity for cooperating with the police (higher number means higher level of cooperation) and compares it to the called mean and standard deviation of the general population.

a)  Would the professor conduct a 1-tailed or 2-tailed hypothesis test? Describe why.  

b)  Use the information below to conduct a z-test using p=.05 as your alpha level. Make sure you complete all 5 steps and show your work/answers for every  step.

Sample         Population:
Mean = 3.13        Mean = 3.02
SD = 0.53         SD = 0.54
n = 86

c)  Calculate a 95% confidence interval for the above sample.

 


Related Discussions:- Mean and standard deviation

Three person problem of points, Three-person Problem of Points: Pascal, Fer...

Three-person Problem of Points: Pascal, Fermat and their old friend the Chevalier de Mere each put $10.00 into a pot, and agree to play a game that has rounds. Each player has the

BIOMATH, Ask quHarvesting prevents the population size of a species from at...

Ask quHarvesting prevents the population size of a species from attaining its natural carrying capacity. We can add harvesting to the logistic model by assuming that the per capita

Differentiate product rule functions, Differentiate following functions. ...

Differentiate following functions. Solution At this point there in fact isn't a lot of cause to use the product rule.  We will utilize the product rule.  As we add

Strategic , Hi need a help for marketing strategic assignment Could you ab...

Hi need a help for marketing strategic assignment Could you able to help me???

How much will it have depreciated after 2 years, The value of a computer is...

The value of a computer is depreciated over ?ve years for tax reasons (meaning that at the end of ?ve years, the computer is worth $0). If a business paid $2,100 for a computer, ho

Work in volume problems, Work : It is the last application of integr...

Work : It is the last application of integral which we'll be looking at under this course. In this section we'll be looking at the amount of work which is done through a forc

Coefficient of correlation denoted, Coefficient of Correlation Denoted ...

Coefficient of Correlation Denoted There are two methods which measure the degree of correlation among two variables these are denoted by R and r. (a) Coefficient of correl

Write Your Message!

Captcha
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