Assignment: Testing Hypotheses for Means

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ResearchDesignandStatisticalDesign.docx

Research Design and Statistical Design

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Hypothesis Testing for Independent Samples t-test

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Week 6

Scenarios

1. As an international development researcher, you would like to know African Citizen’s

perceptions about current levels of democracy. Your working hypothesis is that a

series of reforms have increased African views of the level of democracy today. You

do not have a good research design to compare attitudes before and after the

reforms, but know that leaders and development experts would like to see a value of

6, on the scale of 1–10. Using the data from the 2015 Afrobarometer, determine

whether perceptions about current levels of democracy statistically differ from a

value of 6. Please provide: a 1–2 APA style paragraph statement that furnishes an

answer to this question, note the relevant statistics, comment on meaningfulness

and include your relevant SPSS output.

2. As an international development researcher, you have already tested whether

perceptions about the current levels of democracy differ from a value of 6. Given

recent social change movements in North Africa, you now want to determine

whether there is a statistical difference in these perceptions between North Africa

and Southern Africa. Using the data from the 2015 Afrobarometer, please provide: a

1–2 APA style paragraph statement that furnishes an answer to this question, note

the relevant statistics, comment on meaningfulness, and include your relevant SPSS

output.

3. As an educational researcher, would like to know whether high school student’s

perceptions about mathematical utility changed between their freshman and senior

year. Each respondent is asked the same series of questions about the utility of

mathematics in their future during their freshman and senior year. These questions

are combined to form one variable of mathematical utility; higher values indicate

higher levels of mathematical utility. Using the High School Longitudinal Survey,

please provide: a 1–2 APA style paragraph statement that furnishes an answer to

this question, note the relevant statistics, comment on meaningfulness, and include

your relevant SPSS output.

Research Design and Statistical Design

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Research Design and Statistical Design

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