Data Analysis in the Social Sciences Exam Solutions - 614 Verified Questions

Data Analysis in the Social Sciences Exam Solutions https://quizplus.com/study-set/1344 12 Chapters 614 Verified Questions

Data Analysis in the Social Sciences Exam Solutions Course Introduction Data Analysis in the Social Sciences introduces students to the fundamental concepts and techniques used to analyze quantitative and qualitative data within social science research. The course covers data collection methods, data cleaning, descriptive and inferential statistics, and the use of statistical software packages. Emphasis is placed on interpreting results, understanding the limitations of various analytical approaches, and presenting findings in a clear and meaningful way. Through hands-on exercises and real-world datasets, students develop practical skills in exploring social phenomena, testing hypotheses, and drawing evidence-based conclusions that inform policy and practice in fields such as sociology, political science, economics, and psychology.

Recommended Textbook Social Statistics for a Diverse Society 8th Edition by Chava Frankfort Nachmias

Available Study Resources on Quizplus 12 Chapters 614 Verified Questions 614 Flashcards Source URL: https://quizplus.com/study-set/1344

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Chapter 1: The What and the Why of Statistics Available Study Resources on Quizplus for this Chatper 50 Verified Questions 50 Flashcards Source URL: https://quizplus.com/quiz/26804

Sample Questions Q1) Which of the following topics fall under empirical research?

A)Relationship between income and education level B)Fuel consumption increases with speed of vehicle C)Female workers earn less than male workers D)Crime rate during inflation Answer: A,C,D Q2) Given the following research area,develop the set of activities on how the research process should be followed: Bullying is a national problem,particularly among children of various ethnic/racial backgrounds.

Answer: Answers will vary but must be able to identify the five steps in the research process

(i.e.,asking

the

research

question,formulating

the

hypotheses,collecting

data,analyzing data,and evaluating the hypotheses).

Q3) Identify the independent variable,the dependent variable,and the unit of analysis in the following hypothesis: Interstate migration in the United States lowers state poverty levels.

Answer: Independent variable = interstate migration;dependent variable = state poverty level;and unit of analysis = U.S.states To view all questions and flashcards with answers, click on the resource link above.

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Chapter 2: The Organization and Graphic Presentation of Data Available Study Resources on Quizplus for this Chatper 64 Verified Questions 64 Flashcards Source URL: https://quizplus.com/quiz/26805

Sample Questions Q1) In a sample of 500 respondents,men account for 20% of all observations in the sample.What is the total number of females in the sample?

A)100 B)200 C)300 D)400 Answer: D Q2) Which graphic device would be most appropriate to display information about "Young adults in South Korea generally have more years of schooling than young adults in the United States"?

Answer: Histogram Q3) The sum of all frequencies in a frequency distribution should sum to A)0.

B)1.

C)100.

D)N. Answer: D To view all questions and flashcards with answers, click on the resource link above.

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Chapter 3: Measures of Central Tendency Available Study Resources on Quizplus for this Chatper 50 Verified Questions 50 Flashcards Source URL: https://quizplus.com/quiz/26806

Sample Questions Q1) In unimodal distributions,when the mode,the median,and the mean coincide or are almost identical,the distribution is A)asymmetrical.

B)symmetrical.

C)positively skewed.

D)negatively skewed.

Answer: B Q2) The median can be used with A)ordinal variables.

B)interval-ratio variables.

C)nominal variables.

D)any type of variable.

Answer: A,B Q3) A score below which a specific percentage of a distribution falls is referred to as the A)mode.

B)median.

C)mean.

D)percentile.

Answer: D To view all questions and flashcards with answers, click on the resource link above.

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Chapter 4: Measures of Variability Available Study Resources on Quizplus for this Chatper 50 Verified Questions 50 Flashcards Source URL: https://quizplus.com/quiz/26807

Sample Questions Q1) The width of the middle 50% of a distribution,defined as the difference between the third and first quartiles,is referred to as the A)interquartile range.

B)range.

C)standard deviation.

D)variance.

Q2) Consider the following hypothetical scores: 21,25,37,38,39,42,44,45.What is the closest value of the mean?

A)1 B)5 C)36 D)24 Q3) Which three quantities are needed to calculate the variance?

A)Mean,median,and mode B)Mean,observed Y,N C)Median,observed Y,N D)Mean,standard deviation,N Q4)

Calculate

the

value

of

the

variance

for

the

following

sub-sample:

3,13,-4,10,0,12,-1,-2,6,9,5,11 To view all questions and flashcards with answers, click on the resource link above.

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Chapter 5: The Normal Distribution Available Study Resources on Quizplus for this Chatper 50 Verified Questions 50 Flashcards Source URL: https://quizplus.com/quiz/26808

Sample Questions Q1) The mean age at first marriage for respondents in a survey is 23.33,with a standard deviation of 6.13.Calculate the Z score associated with an observed age at first marriage of 25.50.

Q2) The normal distribution is a theoretical distribution.

A)True B)False Q3) The number of standard deviations that a given raw score is above or below the mean is referred to as a A)mean.

B)frequency distribution.

C)variance.

D)standard (Z)score.

Q4) For a Z score of zero,what is the proportion of area between the mean and the Z score?

A)0.0 B).05 C).50 D)1.0 To view all questions and flashcards with answers, click on the resource link above.

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Chapter 6: Sampling and Sampling Distributions Available Study Resources on Quizplus for this Chatper 50 Verified Questions 50 Flashcards Source URL: https://quizplus.com/quiz/26809

Sample Questions Q1) Why is sampling distribution a theoretical distribution?

Q2) When the size of the sample selected from a subgroup is proportional to the size of the that subgroup in the entire population,we refer to this as A)systematic random sampling.

B)proportionate stratified sampling.

C)stratified cluster sampling.

D)disproportionate stratified sampling.

Q3) Will the standard error always be lower than the standard deviation? Why or why not?

Q4) In a population of 100 scores,if 20 was our sample size,then using systematic random sample,the value of K is 5.

A)True B)False Q5) The probability of rolling an even number with a six-sided,equally weighted die is A)1/3.

B)1/2.

C)1/6.

D)3/6.

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Chapter 7: Estimation Available Study Resources on Quizplus for this Chatper 50 Verified Questions 50 Flashcards Source URL: https://quizplus.com/quiz/26810

Sample Questions Q1) A sample of 150 U.S.adults is composed of 100 women and 50 men.Estimate the confidence interval for the female population with 99% confidence.

Q2) If the sample standard deviation of a sample N = 1001 is 2.60 and sample mean is 2.94,then A)estimate standard error is .8.

B)the upper bound with 95% confidence level is 3.10.

C)the lower bound with 95% confidence level is 2.78.

D)the Z value corresponding to a 95% confidence level is 2.58.

Q3) Which two quantities are needed to estimate the standard error of the proportions toward the further estimation of confidence intervals for proportions?

A)Sample mean and sample standard deviation B)Population mean and population standard deviation C)Sample proportion and sample size D)Population proportion and population size Q4) The standard error of the proportion .35 with sample N = 1700 is .001.

A)True B)False Q5) Briefly describe how you would establish a confidence interval for a mean or proportion.

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Chapter 8: Testing Hypotheses Available Study Resources on Quizplus for this Chatper 50 Verified Questions 50 Flashcards Source URL: https://quizplus.com/quiz/26811

Sample Questions Q1) If variables are measured at the nominal or ordinal levels,then they are described in terms of proportions or percentages.

A)True B)False Q2) Making assumptions and selecting the sampling distribution are steps involved in A)statistical hypothesis testing.

B)calculating the test statistic.

C)interpreting the results.

D)determining the mean.

Q3) The 40-hour work week is considered the standard in American society today.Imagine you wish to use data from the 2010 General Social Survey to determine whether the mean number of hours worked per week by men in the sample differs from the 40-hour standard.What test statistic should you compute and why?

Q4) A left-tailed test is one where the sample outcome is hypothesized to be A)at the right tail of the sampling distribution.

B)at the left tail of the sampling distribution.

C)approximately normal within ± 1 Z scores.

D)curvilinear over the distribution.

Q5) List the four quantities needed to conduct a single-sample t test.

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Chapter 9: Bivariate Tables Available Study Resources on Quizplus for this Chatper 50 Verified Questions 50 Flashcards Source URL: https://quizplus.com/quiz/26812

Sample Questions Q1) What guides the construction and interpretation of bivariate tables?

A)The null hypothesis B)The researcher(s)' theoretical question C)The strength of the relationship D)The number of cells in the table Q2) An intervening variable is a control variable that ______ and ______ in a causal sequence.

A)precedes the independent variable;follows the dependent variable B)follows the independent variable;precedes the dependent variable C)increases the effect;influences spuriousness D)reduces the null hypothesis;influences the research hypothesis Q3) A bivariate table in which the column variable has three categories and the row variable has four categories would be designated as a 3×4 table.

A)True B)False Q4) In a bivariate table,the row and column totals are called A)data.

B)marginals.

C)cells.

D)variables.

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Chapter 10: The Chi-Square Test and Measures of Association Available Study Resources on Quizplus for this Chatper 50 Verified Questions 50 Flashcards Source URL: https://quizplus.com/quiz/26813

Sample Questions Q1) The main properties of the chi-square distribution are that A)the distributions are positively skewed.

B)chi-square values are always positive.

C)a chi-square of zero means that the variables are completely independent and the observed frequencies in every cell are equal to the corresponding expected frequencies.

D)as number of degrees of freedom decreases,the chi-square distribution becomes more symmetrical.

Q2) Gamma and Kendall's tau-b are measures of association which are suitable for nominal variables.

A)True B)False Q3) The stronger the relationship between the variables,the larger will be the reduction in the number of errors of prediction.

A)True B)False Q4) Suppose you obtain a chi-square statistic of 67.81.Are your results statistically significant if the critical value obtained from the distribution of chi-square is 3.84 with an alpha level of .05?

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Chapter 11: Analysis of Variance Available Study Resources on Quizplus for this Chatper 50 Verified Questions 50 Flashcards Source URL: https://quizplus.com/quiz/26814

Sample Questions Q1) What does the within-group sum of squares measure?

A)The sum of the squared deviations between each group mean and every other group mean B)The sum of the squared deviations between each group mean and the mean across all groups C)The sum of the squared deviations between each individual observation and its group mean D)The sum of the squared deviations between each individual observation and the mean across all groups Q2) Degrees of freedom: A) \( d f_{b}=k-1 \) where k is the number of samples.

B) \( d f_{w}=N-k \) where N is the Population size and k is the number of samples.

C) \( d f_{b}=\frac{\text { SSB }}{\text { Meansquarebetween }} \) .

D) \( d f_{w}=\frac{\text { SSW }}{\text { Mean.square.within }} \) .

Q3) In which academic field is ANOVA most commonly used?

A)Marine science B)Social psychology C)Forensic anthropology D)Health research To view all questions and flashcards with answers, click on the resource link above.

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Chapter 12: Regression and Correlation Available Study Resources on Quizplus for this Chatper 50 Verified Questions 50 Flashcards Source URL: https://quizplus.com/quiz/26815

Sample Questions Q1) In the linear regression equation Y = a + b (X) A)X = the score of the independent variable B)a = the Y-intercept C)b = the slope of the regression line D)Y = the observed score of the dependent variable Q2) Consider the following linear regression prediction equation: Y = 12 + -1x.If x = 7.What is the predicted value of Y for this observation?

Q3) Residual sum of squares, \( S S E=\sum(Y-\bar{Y})^{2} \).

A)True B)False Q4) Assume that a local company pays its employees 25 cents more per hour for each college credit earned during a given year.Consider two employees,one earning $10 per hour and having earned zero college credits and one earning $12 per hour and having earned eight college credits.What is the Y-intercept of the linear regression prediction equation?

A)2 B)8 C)10 D)12 To view all questions and flashcards with answers, click on the resource link above.

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