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!
In the past it took Kim 148.4 seconds to swim 200 meters. Kim wants to know if her average has changed. She records her time on 50 randomly selected occasions and computes the mean to be 147.8 seconds with a standard deviation of 2.3 seconds.
a. Perform the appropriate test of hypothesis to determine whether Kim's average time has changed. Use alpha=.01.
b. Compute the power of the test if Kim's actual mean swimming time is 147.3 seconds. Interpret the results.
Suppose that past data are not available for developing a planning value for p; therefore, you will use p = 0.050 for the planning average.
Using data table given below, find out the range and median?
The waiting time to place an order at a branch of a fast-food chain during the lunch hour has had population mean of 3.55 minutes, with a population standard deviation of 1.1 minute.
A survey found that 85% of women in a given city enjoy shopping online. Suppose you randomly selected 6 women from the city and ask them whether or not they enjoy shopping online. Find the probability that exactly 4 say they enjoy shopping online.
Perform the 5 steps of hypothesis testing procedure. Please present the calculations and results and Graphs. Make all possible observations and interpret the results
The following data are the lifetimes (in hours) of 20 certain electrical components: Find a point estimate and 90% confidence interval for the population lower quartile.
Suppose that daily gross income is normally distributed. Determine the relative frequency corresponding to daily gross income of $520 or more?
"You are running a chi-squared test. If you have 5 groups with 3 characteristics each, what would your critical value be with an alpha of .25? a . Between 0 and 3.0
Bill Russ, the production manager at Ross Co., maintains detailed records on number of times each machine breaks down and requires service all through the week. Bill records show that the Puret grinder has required repair service according to the ..
Descriptive statistics for given data - Evaluate the range, variance, and standard deviation of the data set. Interpret the results in the context of the real-life setting.
Kind of examination produced significant main effects on both mean mark and time taken to complete the examination.
X is a normally distributed random variable with mean 10 and variance 24. a. Find P(X bigger 14) b. find P(8 smaller X smaller 20)
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