Strong correlation mean

Assignment Help Basic Statistics
Reference no: EM1398394

Explain why a strong correlation would be found between weekly sales of firewood and weekly sales of cough drops over a 1-year period. Does the strong correlation mean that one variable causes the other?

Reference no: EM1398394

Questions Cloud

Production batch size for a direct labour cost : Determine pearsons correlation coefficient and comment on the value obtained. Obtain a regression equation representing the above data. Estimate the production batch size for a direct labour cost of R350-00.
Quantitative methods-power stations in south africa : The following table gives the coal usage and electricity generated by ten randomly selected power stations in South Africa in 1992:
What is the function of mitosis in a cell : As a cell grows, what happens to its surface area : volume ratio? (Think of a balloon being blown up). How is this changing ratio related to cell division.
Elaborate the process of antimicrobial peptides : Could you elaborate on the process of antimicrobial peptides interacting with the plasma membrane/bacterial cytoplasmic membrane.
Strong correlation mean : Explain why a strong correlation would be found between weekly sales of firewood and weekly sales of cough drops over a 1-year period. Does the strong correlation mean that one variable causes the other?
Meaning of the y-intercept : nterpret the meaning of the y-intercept, b(0), and the slope, b(1), in this problem. Use the prediction line developed in (a) to predict the GPA for a student a GMAT score of 600
Question about myasthenia gravis disease : Myasthenia gravis is an autoimmune disease affecting the neuromuscular junction. In myasthenia gravis, weakness occurs when the nerve impulse to initiate or sustain movement does not adequately reach the muscle cells.
Explain responsibility as individual when viewing webcast : Write down paragraph: What is your responsibility as the individual when viewing an webcast? If you witness the suicide or read of someone talking about suicide.
Which of the following do not perform function in nucleus : Which of the following do NOT perform function in the nucleus? Transcription factor proteins, ribosome, RNA polymerase or DNA polymerase?

Reviews

Write a Review

Basic Statistics Questions & Answers

  Probability depends on normal distribution

Probability depends on normal distribution. If a random sample of nine 18 year old men is selected illustrate what is the probability that the mean height

  Average height of american woman

The average height of american woman is distributed normally, with a mean of 63.5 inches and a standard deviation 2.5 inches. Approximately what percentage of american women are taller than 58.5 inches,

  Find the odds that a woman wants variety where she shops

The Minneapolis Tribune ran an article on gender differences in shopping behavior. When 400 women were asked to respond to the question "Where I shop is influenced by which store has a greater variety," 60% answered "Yes.

  Question on multiple regression in excel

Great Plains Roofing and Siding Company inc, sells roofing and siding products to home repair retailers, such as Lowe's and Home Depot, and commercial contractors.

  Finding the regression equation

What is the predicted GPA if a person watches 12 hours of television per week?

  Correlation analysis or regression analysis

Describe a situation in which correlation analysis or regression analysis can be (or was) misused to explain cause and effect relationship in a case of fortuitous correlation.

  Compute sample statistic

Use Hypothesis testing to determine if Dr. Boom is correct, that his sample of 25 rockets weight less than the average rocket.

  Supporting company-s claim using result

You have been asked to test whether data support company's claim? Test at α = 0.05. Suppose normality.

  Determining confidence interval for the mean price

Find the confidence interval for the mean price, μ, of all dealer sticker prices of new cars: for a confidence level of 90% in thousands of dollars:

  Normally distributed height with a mean

Assume that female students' heights are normally distributed with a mean given by µ = 67.2 in. and a standard deviation given by σ = 3.6 in.

  Alternate hypothesis-improvement on the final examination

We will test to determine if there evidence of an improvement on the final examination, at the 1% significance level. What is the alternate hypothesis?

  Hypothesis test for analysis of variance

The critical F value with 6 numerator and 60 denominator degrees of freedom at α = .05 is:

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