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!
The purpose of a study was to examine the relationship between type of marine snail (periwinkles, topshells) and habitat (in the water of rock pools, on bare rock, on seaweed). The data collected included information concerning snail type and habitat.
A table of counts of snails classified by type and habitat is provided:
HabitatSnail type Water of rock pool On bare rock On SeaweedPeriwinkle 219 145 53Topshells 443 169 39
Report the test statistic and p-value.
What is your decision and conclusion?
State any assumptions you have made. Are these assumptions satisfied with these data?
During the period of time that a local university takes phone-in registrations, calls come in at the rate of one every two minutes.
Which of the following statements isn't a property of the normal probability distribution? Please explain briefly why
The population (in millions) and the violent crime rate (per 1000) were recorded for 10 metropolitan areas. The data are shown in the following table.
30% of households say they would feel secure if they had $50,000 in savings. you randomly select 8 households and ask them if they would feel secure if they had $50,000 in savings. find the probability that the number that say they would feel secu..
A consumer survey indicates that the average household spends m=$155 on groceries each week. The distribution of spending amounts is normal with a standard deviation of o=$25. Based on this distribution
Explain the effect that changes in η and β have on the shape of the Weibull density and the effect that they have on γ3 and derive an expression for the coefficient of skewness for the Weibull distribution.
Listed below are weights in grams from a sample of these bats. Construct a 95% confidence interval estimate of their mean weight.
Make an Excel line graph of the data on computer viruses. Discuss the underlying causes that might explain the trend or pattern.
A rare disease has just broken out. Doctor Johnson is trying to help, but while treating patients he might expose himself to the disease.
The scores on the certain test are "normally distributed with mean 61" and "standard deviation 3". Determine the probability that the sample of 100 students will have the mean score of at least 61.3?
Discuss the characteristics of a good research hypothesis. What distinguishes a null hypothesis from a research hypothesis? How would you explain the difference between non-directional research and directional research hypothesis?
Describe a psychological research situation or scenario that would use a nonparametric test. Why would the nonparametric test be used?
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