What is your initial understanding of a correlation between two variables? What does correlation mean to...
What is your initial understanding of a correlation between two variables?
What does correlation mean to you, as your first thought?
Describe how to present data to make it more understandable to yourself and others.
Explain various types of charts or graphs and appropriate levels of data (nominal, ordinal, scale) for each. How does this fit in with the comment "it's not one size fits all"?
Homework Answers
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What is your initial understanding of a correlation
between two variables?
What does correlation mean to...
Measures of correlation are used for identifying relationships between different types of variables. The most appropriate...
Measures of correlation are used for identifying relationships between different types of variables. The most appropriate measure of correlation to use for any given data set, depends on the type of variables and levels of measurement. Which is best? For this discussion, begin by creating an example of a correlational study. Consider what variables it would analyze and what type of data would be collected. Then, develop a main response in which you address the following: Briefly identify the topic...
Correlation This assignment will examine your ability to analyze the relationship between two variables, create an...
Correlation
This assignment will examine your ability to analyze the relationship between two variables, create an equation for predicting one variable from the other, and to critique the results of the data. You will be given the data for 2 psychological experiments looking at the relationship between variables. For these sets of data you will: (1) use the SPSS program to calculate the correlation and create a scatterplot (2) provide the appropriate output given from the program (3) describe this...
Managers at the Turquoise Oasis Spa are interested in knowing whether there is a relationship between...
Managers at the Turquoise Oasis Spa are interested in knowing whether there is a relationship between the age of their clients and the amount of money they spend in the spa. Upon analyzing the data, they found a correlation coefficient of .672. Thus, the relationship between the two variables is _________. strong moderate weak very weak Calculating the correlation coefficient using the_________ function is useful to determine the type and strength of a relationship between two variables. CAUSATION COVARIANCES CORREL...
NEED A RESPONSE TO CLASSMATES POST BELOW: What is the difference between training data sets and...
NEED A RESPONSE TO CLASSMATES POST BELOW: What is the difference between training data sets and test (or testing) data sets? Training data is existing data that has already been manually evaluated and assigned to a class. You will use this data to train your model to predict what class your data falls into given what they have in common. Testing data is simply that, small amounts a data that you use to determine if your model does indeed work....
i. What is the difference between sample and population? ii. What is the difference between statistic...
i. What is the difference between sample and population? ii. What is the difference between statistic and parameter? iii. What is the difference between descriptive statistics and statistical inference? iv. Categorical random variable contrast with numerical random variable. v. Compare discrete data from continuous data. saw. Detail the difference between nominal and ordinal scale. vii. Detail the difference between interval and ratio scale. viii. Explain the main reasons for obtaining data. ix. What is the difference between probabilistic and non-probabilistic...
Prepare: Context: What do the data mean? What is the goal of the study? Source: What...
Prepare:
Context: What do the data mean? What is the goal of the
study?
Source: What is the source objective, is the source
biased?
Sampling: Does the method influence the validity of the
conclusion? Voluntary response (self-selected?) Bias?
In the previous RW0, you opened the dataset that we will use
throughout the semester for all RW’s. You identified the variables
and variable types.
Below is a description of the data, how it was collected, and
what the variables mean. Use...
sseument Part& Pretected Viei)Word Mailings Review View Help Tell me what you want to do Enable Editing ruses. Unless you need to edit, it's safer to stay in Protected View 1. Two va...
sseument Part& Pretected Viei)Word Mailings Review View Help Tell me what you want to do Enable Editing ruses. Unless you need to edit, it's safer to stay in Protected View 1. Two variables have a strong negative correlation. Which of the following statements is not true? a. the dependent variable decreases as the independent variable increases b. the trend of the data exhibits an irregular decline c. the line of best fit has a negative slope d. most data points...
What is the correlation between Female and ln(MarketValue),PXU is ________ (Round your response to three decimal...
What is the correlation between Female and
ln(MarketValue),PXU is ________ (Round your response to
three decimal places)
Exercise 8.7 -Question Help This problem is inspired by a study of the "gender gap* in earnings in top corporate jobs [Bertrand and Hallock (2001) The study compares total compensation among top executives in a large set of U.S. public corporations in the 1990s (Each year these publicly traded corporations must report total compensation levels for their top five executives.) Let Fermale be...
Please answer as many as the following questions as you can, I really need to study...
Please answer as many as the following questions as
you can, I really need to study this for my final exam. Your help
will be appreciated thank you in advance!
1) What type of experimental design is this? (ex:
between-subjects, within-subjects, etc).
2) Is this an observational study or a manipulative study?
3) What is the dependent variable, and what type is it (ex:
interval, ratio, nominal, ordinal)
4) What is the independent variable, how many levels does it have,...
Please answer as many as the following questions as you can, I really need to study...
Please answer as many as the following questions as you can, I
really need to study this for my final exam. Your help will be
appreciated thank you in advance!
What type of experimental design is this? (ex:
between-subjects, within-subjects, etc).
Is this an observational study or a manipulative study?
What is the dependent variable, and what type is it (ex:
interval, ratio, nominal, ordinal)
What is the independent variable, how many levels does it have,
and what type is...
Correlation
This assignment will examine your ability to analyze the relationship between two variables, create an equation for predicting one variable from the other, and to critique the results of the data. You will be given the data for 2 psychological experiments looking at the relationship between variables. For these sets of data you will: (1) use the SPSS program to calculate the correlation and create a scatterplot (2) provide the appropriate output given from the program (3) describe this...
Prepare:
Context: What do the data mean? What is the goal of the
study?
Source: What is the source objective, is the source
biased?
Sampling: Does the method influence the validity of the
conclusion? Voluntary response (self-selected?) Bias?
In the previous RW0, you opened the dataset that we will use
throughout the semester for all RW’s. You identified the variables
and variable types.
Below is a description of the data, how it was collected, and
what the variables mean. Use...
sseument Part& Pretected Viei)Word Mailings Review View Help Tell me what you want to do Enable Editing ruses. Unless you need to edit, it's safer to stay in Protected View 1. Two variables have a strong negative correlation. Which of the following statements is not true? a. the dependent variable decreases as the independent variable increases b. the trend of the data exhibits an irregular decline c. the line of best fit has a negative slope d. most data points...
What is the correlation between Female and
ln(MarketValue),PXU is ________ (Round your response to
three decimal places)
Exercise 8.7 -Question Help This problem is inspired by a study of the "gender gap* in earnings in top corporate jobs [Bertrand and Hallock (2001) The study compares total compensation among top executives in a large set of U.S. public corporations in the 1990s (Each year these publicly traded corporations must report total compensation levels for their top five executives.) Let Fermale be...
Please answer as many as the following questions as
you can, I really need to study this for my final exam. Your help
will be appreciated thank you in advance!
1) What type of experimental design is this? (ex:
between-subjects, within-subjects, etc).
2) Is this an observational study or a manipulative study?
3) What is the dependent variable, and what type is it (ex:
interval, ratio, nominal, ordinal)
4) What is the independent variable, how many levels does it have,...
Please answer as many as the following questions as you can, I
really need to study this for my final exam. Your help will be
appreciated thank you in advance!
What type of experimental design is this? (ex:
between-subjects, within-subjects, etc).
Is this an observational study or a manipulative study?
What is the dependent variable, and what type is it (ex:
interval, ratio, nominal, ordinal)
What is the independent variable, how many levels does it have,
and what type is...
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