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!
Q1)
Hours Worked and Amount of Sales (in dollars)
Regression Statistics
Multiple R
0.9709
R2
0.9426
Adjusted R2
0.9394
F test results
Standard Error
1,889
F value
Signif. F
Observations
20
295.51
0
Coefficients
Std Error
t Stat
P-value
Intercept
62,695
1,325
47.31
Hours Worked
3,786
220
17.19
Which of the following statements are true based on statistical output featured above?
a) Hours worked is important predictor of amount of sales.
b) About 94% of amount of sales can be described by hours worked.
c) Intercept is not important predictor of hours worked.
d) Both a and b are true.
e) Neither a, b, or c are true.
Using the following data on 15 workers, construct an exact 95% confidence interval for µ.
The random variable x is known to be uniformly distributed between 1.0 and 1.5.
What is the probability that a visually impaired student gets less than 6.9 hours of sleep?
A researcher uses hypothesis test to estimate H0 µ= 80. Which combination of factors is most probable to result in rejecting null hypothesis?
What is the probability of this actually happening?
A survey of the residents of a new subdivision on why they happened to select that area in which to live. You also wish to secure some information about what they like and do not like about life in the subdivision.
Find out the expected shape of distribution of sample mean?
(A) What sums are needed to calculate a correlation coefficient? (B) What are the two ways of testing a correlation coefficient for significance?
Be sure the appropriate assumptions and conditions are satisfied before you proceed.
Create a 95% confidence interval for population proportion of positive drug tests.
Determine the probability of fatal accident over lifetime? Describe your reasoning carefully. Suppose independent events. Why might the supposition of independence be violated?
Make use of Excel to determine the right-tail p-value.
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