Question 1

Is a Type I or Type II error more likely if a 0.05 level is used? Explain.

Accepted Answer

● Type I error: Falsely accepting the nu

Question 2

Describe each of the three measures of central tendency.What are the main differences between them? How are they affected by a normal versus a skewed distribution of data?

Accepted Answer

● Mean: A measure of central tendency fo

Question 3

Define the following:
-Type I error

Accepted Answer

The logical error of

Question 4

Define the following:
-pie chart

Accepted Answer

A display of numerical informa

Question 5

What are five measures of association that are useful when interpreting bivariate statistics? Describe each one and also specify which level of data each one is applicable to.

Accepted Answer

● Lambda: Used for nominal-level data an

Question 6

Define the following:
-possible code cleaning

Accepted Answer

Cleaning quantitative data usi

Question 7

Define the following:
-independence

Accepted Answer

The absence of a statistical r

Question 8

Define the following:
-cross-tabulation

Accepted Answer

Placing data for two variables

Question 9

Define the following:
-standard deviation

Accepted Answer

A measure of dispersion for on

Question 10

What are two ways in which statistical relationships can be described? Provide an example for each one.

Accepted Answer

● Correlation: To be correlated means to

Question 11

Define the following:
-multimodal

Accepted Answer

A distribu

Question 12

If the true situation in the world is that there is a causal relationship,but a researcher states that there is no causal relationship,what error occurs?

Accepted Answer

A) Type I 
B) Type II 
C) Falsely reject the null hypothesis 
D) Falsely accept the null hypothesis 
E) B and D 
A) Type I 
B) Type II 
C) Falsely reject the null hypothesis 
D) Falsely accept the null hypothesis 
E) B and D

Question 13

Describe four ways a researcher can display information about univariate statistics.

Accepted Answer

● Frequency distribution: A table that s

Question 14

Your research assistant finds a positive relationship between mother's education and income at age 40.The relationship remained after controlling for the family's social class.This means that

Accepted Answer

A) social class is really the causal variable. 
B) social class does not have an impact on the relationship. 
C) the original relationship is spurious. 
D) income is caused by neither the mother's education level nor her social class. 
E) the mother's education has no effect on her future income. 
A) social class is really the causal variable. 
B) social class does not have an impact on the relationship. 
C) the original relationship is spurious. 
D) income is caused by neither the mother's education level nor her social class. 
E) the mother's education has no effect on her future income.

Question 15

Define the following:
-Type II error

Accepted Answer

The logical error of

Question 16

Define the following:
-direct entry method

Accepted Answer

A method for enterin

Question 17

Fatima Fashionista wears a size 2 blazer.She went to her favourite clothing store and found that the mean size of the store's stock of blazers is a size 10 with a standard deviation of 4 sizes.What is her z-score in the distribution of the store's blazers?

Accepted Answer

A) zero 
B) 1 
C) 2 
D) -1.5 
E) -2 
A) zero 
B) 1 
C) 2 
D) -1.5 
E) -2

Question 18

Define the following:
-multiple regression

Accepted Answer

A statistical technique whose results (1

Question 19

Define the following:
-code sheet

Accepted Answer

Paper with a printed grid on which a res

Question 20

Calculate the median for the following six shoe sizes: 9,10,10,8,12,11.

Accepted Answer

A) 8 
B) 8)5 
C) 9 
D) 9)5 
E) 10 
A) 8 
B) 8)5 
C) 9 
D) 9)5 
E) 10

Is a Type I or Type II error more likely if a 0.05 level is used? Explain.

Describe each of the three measures of central tendency.What are the main differences between them? How are they affected by a normal versus a skewed distribution of data?

Define the following: -Type I error

Define the following: -pie chart

What are five measures of association that are useful when interpreting bivariate statistics? Describe each one and also specify which level of data each one is applicable to.

Define the following: -possible code cleaning

Define the following: -independence

Define the following: -cross-tabulation

Define the following: -standard deviation

What are two ways in which statistical relationships can be described? Provide an example for each one.

Define the following: -multimodal

If the true situation in the world is that there is a causal relationship,but a researcher states that there is no causal relationship,what error occurs?

Describe four ways a researcher can display information about univariate statistics.

Your research assistant finds a positive relationship between mother's education and income at age 40.The relationship remained after controlling for the family's social class.This means that

Define the following: -Type II error

Define the following: -direct entry method

Fatima Fashionista wears a size 2 blazer.She went to her favourite clothing store and found that the mean size of the store's stock of blazers is a size 10 with a standard deviation of 4 sizes.What is her z-score in the distribution of the store's blazers?

Define the following: -multiple regression

Define the following: -code sheet

Calculate the median for the following six shoe sizes: 9,10,10,8,12,11.

Doing Social Research

Theory and Social Research

Ethics in Social Research

Reviewing the Scholarly Literature and Planning a Study

Designing a Study

Qualitative and Quantitative Measurement

Qualitative and Quantitative Sampling

Survey Research

Experimental Research

Nonreactive Quantitative Research and Secondary Analysis

Qualitative Interviewing

Field Research

Nonreactive Qualitative Research

Analysis of Qualitative Data

Combining Methods in Social Science Research

Filters

Exam 11: Analysis of Quantitative Data

Is a Type I or Type II error more likely if a 0.05 level is used? Explain.

Describe each of the three measures of central tendency.What are the main differences between them? How are they affected by a normal versus a skewed distribution of data?

Define the following: -Type I error

Define the following: -pie chart

What are five measures of association that are useful when interpreting bivariate statistics? Describe each one and also specify which level of data each one is applicable to.

Define the following: -possible code cleaning

Define the following: -independence

Define the following: -cross-tabulation

Define the following: -standard deviation

What are two ways in which statistical relationships can be described? Provide an example for each one.

Define the following: -multimodal

If the true situation in the world is that there is a causal relationship,but a researcher states that there is no causal relationship,what error occurs?

Describe four ways a researcher can display information about univariate statistics.

Your research assistant finds a positive relationship between mother's education and income at age 40.The relationship remained after controlling for the family's social class.This means that

Define the following: -Type II error

Define the following: -direct entry method

Fatima Fashionista wears a size 2 blazer.She went to her favourite clothing store and found that the mean size of the store's stock of blazers is a size 10 with a standard deviation of 4 sizes.What is her z-score in the distribution of the store's blazers?

Define the following: -multiple regression

Define the following: -code sheet

Calculate the median for the following six shoe sizes: 9,10,10,8,12,11.

Doing Social Research

Theory and Social Research

Ethics in Social Research

Reviewing the Scholarly Literature and Planning a Study

Designing a Study

Qualitative and Quantitative Measurement

Qualitative and Quantitative Sampling

Survey Research

Experimental Research

Nonreactive Quantitative Research and Secondary Analysis

Qualitative Interviewing

Field Research

Nonreactive Qualitative Research

Analysis of Qualitative Data

Combining Methods in Social Science Research

Filters