Already have an account? Get multiple benefits of using own account!
Login in your account..!
Remember me
Don't have an account? Create your account in less than a minutes,
Forgot password? how can I recover my password now!
Enter right registered email to receive password!
A college student is interested in whether there is a difference between male and female students in the amount of time spent studying each week. The student gathers information from a random sample of male and female students on campus. Amount of time spent studying is normally distributed. The data follow. Males Females 27 25 25 29 19 18 10 23 16 20 22 15 14 19
a. What statistical test should be used to analyze these data?
b. Identify H0 and Ha for this study.
c. Conduct the appropriate analysis.
d. Should H0 be rejected? What should the researcher conclude?
e. If significant, compute the effect size and interpret. f. If significant, draw a graph representing the data.
A student is interested in whether students who study with music playing devote as much attention to their studies as do students who study under quiet conditions.
We are interested in testing to see if the variance of a population is less than 7. The correct null hypothesis is:
Illustrate what decision should be made depended on the mini-max regret criterion. Decision based on the Mini-max criterion.
Sample mean varies from population mean of 10 pounds at 5 percent level of significance using two-tailed test. Compute test statistic for the sample data.
There is a statistical deception here. Explain what is deceptive about the bar graph.
In study of a clinical for an allergy drug 115 of the 204 subjects reported experiencing important relief from their symptoms.
The nation health department has concerns with the chlorine level of 0.4% mg/mL at a local water park raises to unsafe level.
At.01 significance level, can we conclude that there is more variation in selling prices of oceanfront homes?
To obtain the probability that the mean wage of 75 randomly selected workers will exceed $43,000
Assume that the following four examines were tested as part of a large group that had a normally curved distribution.
State in each of given cases whether you would expect relationship between given variables to be positive or negative or neither.
The assembly time for a product is uniformly distributed between 6 to 10 minutes. The probability of assembling the product between 7 to 9 minutes is
Ten students were sampled at random from a student population. Each was asked how many courses he or she was planning on studying in the upcoming year. The following is a list of the reported data values: 1, 2, 2, 3, 4, 5, 5, 5, 5, 6 What is the vari..
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!
whatsapp: +1-415-670-9521
Phone: +1-415-670-9521
Email: [email protected]
All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd