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!
Computer output for fitting a simple linear model is given below. State the value of the sample slope for this model and give the null and alternative hypotheses for testing if the slope in the population is different from zero. Identify the p-value and use it (and a 5% significance level) to make a clear conclusion about the effectiveness of the model.
The regression equation is Y?=83.4-0.0132X.
Predictor Coef SE Coef T P
Constant 83.35 11.96 6.97 0.000
X -0.01315 0.01096 -1.20 0.245
Sample slope:
p-value:
Does X appear to be an effective predictor of the response variable Y?
compute a 99 confidence interval for the population mean based on the sample 52 50 51 54 55 52 and
an ecologist wishes to mark off a circular sampling region having radius 10 meters. however the radius of the resulting
The average cost of a renting a compact size car in a major metropolitan area is R51.74 with a standard deviation of 7.48. Assume a normal distribution.
The data table below tabulates a pizza parlor's advertising expenditures and sales for 8 consecutive quarters. The marketing manager wants to know how much of an impact current advertising will have on sales two quarters from now.
A random sample of 36 cars showed a mean repair cost of $330, with a standard deviation of $120. What can you tell the city fathers?
Consider the first sample to be the sample of males and the second sample to be the sample of females.
1. How many people play exactly two games? 2. How many people play Chess but not Carrom?
If you required return on this investment is 11%, how much will you be willing to pay for the stock?
For all 12 people, the time to complete Task 1 (T1) and the time to complete Task 2 (T2) (in minutes) were recorded. After collecting the data, a 95% confidence on the difference (T1 - T2) in average time to complete the tasks was found to be (-2...
Bernoulli. Can we use probability models based on Bernoulli trials to investigate the following situations? Explain. a) Each week a doctor rolls a single die to determine which of his six office staff members gets the preferred parking space.
the american college of cardiologists claims that the mean number of grams of fat in the popular m.i. burger sold at
(a) What population does the newscaster appear to have in mind? (b) What is the sample in this instance?
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