4. What is the strength of the following correlation? 0.24 a. Weak b. Moderate c. High
Answer : a. weak
because from literature we know that r value
less than 0.4 weak
0.4 - 0.6 moderate
greater than 0.6 strong
4. What is the strength of the following correlation? 0.24 a. Weak b. Moderate c. High
Does the diagram below show a high linear correlation, a moderate or low linear correlation, or no linear correlation? A. moderate or low linear correlation B. no linear correlation C. high linear correlation Does the diagram below show a high linear correlation, a moderate or low linear correlation, or no linear correlation? A. moderate or low linear correlation B. no linear correlation C. high linear correlation
Assess whether the following correlation coefficients denote a very strong relationship, strong relationship, moderate relationship, weak relationship, or no relationship at all: a) -0.74 b) -0.12 c) +0.28 d) -0.93 e) +0.84 f) Now place these correlation coefficients in order from weakest to strongest relationship.
Which of the following best describes correlation? a.) Correlation measures the strength of the relationship between any two variables. b.) Correlation measures the strength of the linear association between two categorical variables. c.) Correlation measures how much a change in the explanatory variable causes a change in the response variable. d.) Correlation measures the strength of the linear relationship between two quantitative variables.
a. no relationship b. moderate inverse relationship c. strong direct relationship d. weak direct relationship Using the following regression statistics select which one of the following best represents the relationship between monthly salary and cost of rent. Regression Statistics: [Multiple R=0.944744; R Square=0.892542; Intercept=1230.242; Rent=6.666983]
a. strong direct relationship b. no relationship c. moderate inverse relationship d. weak inverse relationship Using the following regression statistics select which one of the following best represents the relationship between the Height of the employee and their Salary? Regression Statistics: [Multiple R=0.867597; R Square = 0.752725; Intercept=28.45268; Inches=0.97656]
What can you conclude about the relationship between Mileage and Repair Costs if the correlation is - 2022? D. Strong Inverse Relationship D A. Weak Inverse Relationship C. Moderate Inverse Relationship B. Moderate Direct Relationship
Amount of soap used More Happy Less Happy High 14 86 Moderate 46 54 Low 76 24 1. Calculate the prevalence ratio for the association between moderate amount of soap used (compared to low amount) and more happiness with life. 2. Based on the table, the conclusion that Soap use causes less happyness with life is: (Select one) a. Justified because the risk for being more happy with life is less than 1 for both high and moderate amount of...
In a prospective buffer system, as the strength of the weak acid decreases (i.e., as the pKa increases), what happens to the strength of the conjugate base? Select the correct answer below: a. A weak acid has a weak conjugate base. b. As the strength of the acid decreases, the conjugate base increases in strength. c. As the strength of the weak acid decreases the strength of the conjugate base decreases as well. d. It depends on the acid/base system....
23. Define correlation. 24. What is correlation strength? Provide examples of different strengths. 25. What is meant by the direction of the correlation? 26. Draw and explain a perfect positive correlation and a perfect negative correlation 27, Graph given correlations, labelling the axis and providing a title for the graph and an explanation of the correlation
For the following data (a) display the data in a scatter plot, (b) calculate the correlation coefficient r, and (c) make a conclusion about the type of correlation. The ages (in years) of 6 children and the number of words in their vocabulary Age, x 1. 2 3 4 5 6 Vocabulary size, y 500 450 1350 1750 2300 2300 (a) Choose the correct scatter plot below. A. B. c. D. 2350+.. 7 2350- 2350- Vocabulary Age Vocabulary Vocabulary ....