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!
Question: Kruuk et al. (1989) used a stratified sample to estimate the number of otter (Lutra lutra) dens along the 1400-km coastline of Shetland, UK. The coastline was divided into 242 (237 that were not predominantly buildings) 5-km sections, and each section was assigned to the stratum whose terrain type predominated. Sections were then chosen randomly from the sections in each stratum. In each section chosen, investigators counted the total number of dens in a I 10-m-wide strip along the coast. The data are in the file otters.dat. The population sizes for the strata are as follows:
Stratum Total Sections Sections Counted
1 Cliffs over 10 m 89 19
2 Agriculture 61 20
3 Not 1 or 2, peat 40 22
4 Not 1 or 2, nonpeat 47 21
a Estimate the total number of otter dens along the coast in Shetland, along with a standard error for your estimate.
b Discuss possible sources of bias in this study. Do you think it is possible to avoid all selection and measurement bias?
College Students' Seating Choices and Motivation to Achieve.This activity is a revision of an activity found in Real Data: A Statistics Workbook Based on Empirical Data by Z. C Holcomb (1997). Published by Pyrczak Publishing.
You are evaluating the steps in a core process using a FMEA(Failure Modes and Effects Analysis). The scales to rate severity, occurrence, and detection have been created and agreed upon by the team. How would you use the FMEA to prioritize the c..
The daily returns on a portfolio are normally distributed with a mean of 0.001 and a standard deviation of 0.002. What is the probability that the average return for the portfolio over the next 100 days exceeds 0.0015?
A chemist is working on a new coating for transparencies used in ink-jet printers. The current formulation causes the transparency to curl. There are two components the chemist has data on that are believed to affect curl. The data from this study..
The Blue Diamond Company advertises that their nut mix contains (by weight) 40% cashews, 15% Brazil nuts, 20% almonds and only 25% peanuts. The truth-in-advertising investigators took a random sample (of size 20 lbs) of the nut mix and found the d..
probability of 0.31 that it is dominant. There is also a probability of 0.22 that a gene is type B and it is dominant. What is the probability that a gene is of type A?
A control system is shown in Figure AP9.8. The gain K is greater than 500 and less than 3000. Select a gain that will cause the system step response to have an overshoot of less than 20%. Plot the Nichols diagram, and calculate the phase margin.
find the probability of throwing a sum of 11 at least 3 times in 11 throws of a pair of fair
Is a body temperature of 99.00F unusual? Why or Why not? d)fifty adults are randomly selected. What is the likelihood that the mean of their body temperatures is 97.98F or lower?
For the data on the effectiveness of therapies and gender in problem, plot the cell means using a line graph. Compute df, MS, and F values.
Biology and Environmental Science- Is there any evidence to suggest that at least two population mean thaw depths are different? Use a = 0.05.
In a random sample of 80 items, the defect rate is 5% but the manager claims that this is only a sample fluctuation and production is not really out of control. At the 0.01 level of significance, does the data provide sufficient evidence that the ..
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