Large negative number if there is negative correlation

Assignment Help Basic Statistics
Reference no: EM13151643

All of the following are reasons why Z scores are used to help determine the degree of linear correlation EXCEPT:
Z scores give a standard indication of just how high or low each score is
The sum of the cross-products of Z scores gives you a large positive number if there is a positive correlation and a large negative number if there is a negative correlation
Because of the nature of Z scores, the cross-product will be positive in all cases
Using Z scores allows you to compare scores on different measures

Reference no: EM13151643

Questions Cloud

Define the directed mutation hypothesis : Explain the directed mutation hypothesis (1). Describe an experiment that has tested this hypothesis (2). What was the outcome of this experiment (1)? What did this experiment teach us about how mutation and natural selection interact during evolu..
Determine the half-life for the reaction : Determine the half-life for the reaction in Part B using the integrated rate law, given that the initial concentration is 1.75molxL^-1 and the rate constant is 0.0020 molxL^-1x s^-1 .
Calculate amount of heat required to sublime dry ice : Calculate the amount of heat required to completely sublime 78g of solid dry ice at its sublimation temperature. The heat of sublimation for carbon dioxide is 32.3kJ/mol .
Perform a suitable hypothesis test : If the standard deviation of back charges is $600, and alpha = 0.05, test the claim of the engineering firm. Perform an appropriate hypothesis test, showing the necessary calculations and/or explaining the process used to obtain the results.
Large negative number if there is negative correlation : The sum of the cross-products of Z scores gives you a large positive number if there is a positive correlation and a large negative number if there is a negative correlation.
What is the initial cost of the project : The net present value of a project's cash inflows is $9,456 at a 7 percent discount rate. The profitability index is 1.16 and the firm's tax rate is 35 percent. What is the initial cost of the project?
Entry to record the transaction basics : The Ice Corporation issues 30,000 shares of $50 par value preferred stock for cash at $60 per share. The entry to record the transaction will consist of a debit to Cash for $1,800,000 and a credit or credits to:
Explain the molarity of magnesium acetate : calculate A) the molarity of sodium B) the molarity of magnesium acetate C) the molarity of acetate ion in each solution
What demand factors might be also be relevant : During the same time, total annual movie admissions have barely changed. What cost factors can explain this trend? In addition, what demand factors might be also be relevant?

Reviews

Write a Review

Basic Statistics Questions & Answers

  Statistics-probability assignment

MATH1550H: Assignment:  Question:  A word is selected at random from the following poem of Persian poet and mathematician Omar Khayyam (1048-1131), translated by English poet Edward Fitzgerald (1808-1883). Find the expected value of the length of th..

  What is the least number

MATH1550H: Assignment:  Question:     what is the least number of applicants that should be interviewed so as to have at least 50% chance of finding one such secretary?

  Determine the value of k

MATH1550H: Assignment:  Question:     Experience shows that X, the number of customers entering a post office during any period of time t, is a random variable the probability mass function of which is of the form

  What is the probability

MATH1550H: Assignment:Questions: (Genetics) What is the probability that at most two of the offspring are aa?

  Binomial distributions

MATH1550H: Assignment:  Questions:  Let’s assume the department of Mathematics of Trent University has 11 faculty members. For i = 0; 1; 2; 3; find pi, the probability that i of them were born on Canada Day using the binomial distributions.

  Caselet on mcdonald’s vs. burger king - waiting time

Caselet on McDonald’s vs. Burger King - Waiting time

  Generate descriptive statistics

Generate descriptive statistics. Create a stem-and-leaf plot of the data and box plot of the data.

  Sampling variability and standard error

Problems on Sampling Variability and Standard Error and Confidence Intervals

  Estimate the population mean

Estimate the population mean

  Conduct a marketing experiment

Conduct a marketing experiment in which students are to taste one of two different brands of soft drink

  Find out the probability

Find out the probability

  Linear programming models

LINEAR PROGRAMMING MODELS

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