Conclude that the two variables under study are independent

Assignment Help Basic Statistics
Reference no: EM131400553

Imagine a study where the correlation between some amount of an experimental drug and liver damage yields a value for r close to zero and the hypothesis H0: ρ = 0 is not rejected. Why might it be unreasonable to conclude that the two variables under study are independent?

Reference no: EM131400553

Questions Cloud

What has been the growth rate of the solow residual : Over the last 50 years in the U.S., real GDP has grown at approximately 3% per year, while capital has been accumulating at around 3% per year and the labor force has grown at around 1% per year. The labor share of income is about 0.7. What has be..
How is diversion relevant to net-widening : How is diversion relevant to net-widening? How can judges be influenced to impose diversion in lieu of outright dismissals of cases that otherwise would not come before juvenile courts? Explain.
What happens to the correlation between x and y : Consider a least squares regression line Y = .5X +2+e, and where X and e are independent and both have a standard normal distribution. What happens to the correlation between X and Y if instead Y = .5X +2+2e? Hint: What happens to the residuals.
How do teen courts function : What are teen courts?What types of juvenile offenders are the best types of clients for teen courts?How do teen courts function?What are the success rates of teen courts for reducing youth recidivism?
Conclude that the two variables under study are independent : Imagine a study where the correlation between some amount of an experimental drug and liver damage yields a value for r close to zero and the hypothesis H0: ρ = 0 is not rejected. Why might it be unreasonable to conclude that the two variables und..
Existence of an unemployment insurance system : How could the existence of an unemployment insurance system or other transfer programs have reduced the severity of the Great Depression?
Explain why given does not provide convincing evidence : Explain why this does not provide convincing evidence that the least squares line provides a good fit to a scatterplot of the points.
What is standard probation : What is standard probation? What are some of its characteristics? What are some of the conditions of standard probation?
Key macroeconomic policy tool : 1. Controlling the money supply is a key macroeconomic policy tool. Explain how the Fed controls the money supply and what separates the balance sheet of the Fed from that of ordinary commercial banks.

Reviews

Write a Review

Basic Statistics Questions & Answers

  How many standard deviations from the mean would a car

john beale of stanford ca recorded the speeds of cars driving past his house where the speed limit read 20 mph. the

  Calculate the point estimate of the population proportion

a recent survey asked 4381 individuals whats most important to you when choosing where to live? the responses are shown

  A researcher wants to know if the amount of calories in a

a researcher wants to know if the amount of calories in a meal from five different restaurants is different. what type

  Population of all jar fills-normall distribution

Assume that the process is in control and that the population of all jar fills is normally distributed. (Round the z-values to 2 decimal places and final answer to 4 decimal places. Negative amounts should be indicated by a minus sign.)

  Significant linear relationship

The city of denver wishes to see if there is a linear relationship between temperature and the amount of electricity used (in kilowatts) Based on the data below, is there a significant linear relationship between temperature and the amount of elec..

  Find the standard error of mean for selected taxpayers

A consumer watchdog agency selects a random sample of 40 taxpayers. What is the standard error of the mean? What is the likehood the sample mean is greater than 320 minutes?

  Find probability of a student receiving a c in course

If this past distribution is a good indicator of future grades, what is the probability of a student receiving a C in the course?

  Find the probability that exactly four claims will occur

In a Poisson process, the probability is 0.60 that after an occurrence of the event, it will take at least 2 months until the next event. Find the probability that exactly four claims will occur within any 5-month period.

  Problem regarding the instrumentation amplifier

Consider the instrumentation amplifier of Fig. 2.20(b) with a common-mode input voltage of +3 V (dc) and a differential input signal of 100-mV peak sine wave. Let 2R1 = 2 kΩ, R2 = 50 k Ω, R3 = R4 = 10 kΩ. Find the voltage at every node in the circ..

  Normal distribution and lenghth of calls

An analysis of 1,000 cellular phone calls made from company phones at the offices of Kant, Taekitini, Moore, LLC reveals that the length of these calls is normally distributed, with m = 240 seconds and s = 40 seconds.

  The best predictor of cumulative gpa

Among the variables high school percentile, ACT English score, ACT math score, and ACT composite score, identify the one that appears to be the best predictor of cumulative GPA. Explain your reasoning.

  A certain patient can experience three different types of

a certain patient can experience three different types of symptoms let ai i 123 denote the event that the patient has

Free Assignment Quote

Assured A++ Grade

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!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd