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!
Use the information in the dataset heart.sav to answer the following questions. This file is available under the Assessment/Assignments link on the StudyDesk.
A researcher is interested in whether the average systolic BP for 60-64 year olds is higher than that of 50-54 year olds.
(a) Using SPSS and the sample information in heart.sav, determine the sample sizes, means and standard deviations of systolic BP for 50-54 year olds and then for 60-64 year olds.
(b) Use an appropriate graph to compare the distribution of systolic BP for 50-54 year olds with that for 60-64 year olds. Label the axes correctly, include unit of measure and provide an appropriate title. Include your name in the title of your graph. Briefly describe the two distributions.
Attachment:- 199320_1_Assignment-3-S112.pdf
A restaurant claims that its speed of service time is less than 18 minutes. A random selection of 36 service times was collected, and their mean was calculated to be 17.1 minutes.
State the correct decision and give justification for your decision.
What is the probability that a randomly selected from such a hen weighs more than 11.5 grams. What is the probability that the average of a random sample of 25 eggs from such hens will be less than 5.8 grams?
You are looking at two used cars at a dealership. They are both the same year, make, model, color and price. You decide to ask the salesman which is more reliable.
Millie and Senta Meter have recently taken Pre and Post test in achievement. The test were normally distributed. Millie's percentile rank changed from 57.93 to 77.34. Senta's changed from 1.07 to 4.95.
Describe the advantages and disadvantages of quasi-experiments? What is the fundamental weakness of a quasi-experimental design? Why is it a weakness? Does its weakness always matter?
Barron’s reported that the average number of weeks an individual is unemployed is 17.5 weeks (Barron’s, February 18, 2008). Assume that for the population of all unemployed individuals the population mean length of unemployment is 17.5 weeks and that..
Construct a scatterplot and identify the mathematical model that best fits the given data. Assume that the model is to be used only for the scope of the given gata, and consider only linear, polynomial (degree 2) logarithmic, exponential, and powe..
Assume that causes of heart failure between individuals are independent. What is the probability that three individuals have conditions caused by outside factors?
An assignment of probability must obey which of the following? The probability of any event must be a number between 0 and 1, inclusive.
Your regional manager is impressed with how you've employed spreadsheets to aid your small company in saving time and more accurately figuring out payroll amounts.
A university reports that the middle 50% of the SAT I math scores of its students were between 565 and 690, with half the scores above 605 and half below. What SAT I math scores would be considered outliers for that university?
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