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Discuss how your sample size may affect the validity of your project. (80-100 words). Include citation.
How many of the students surveyed play chess? What question about the population of students at the state college would this table attempt to answer?
Develop a model to predict an interval / ratio variable using at least 2 other variables. State the regression model and which variables are or are not signific
What are some of the costs of American Privilege? How can you see the impact of privilege (it doesn't have to be limited to American priviledge) in our course?
How might you measure the IV? How might you measure the DV? For each, provide a precise operationalization and its associated level of measurement.
List and discuss 2 qualitative attributes of the menu choices of the restaurant that X may want to explore with potential customers.
Explain what the independent variable in the study was and explain what the dependent variable(s) in the study was/were.
Calculate delta values (After - Before) for each city. Then construct a stemplot or boxplot of these differences. Interpret your plot.
You are a consultant hired to review the instructional staff at the local community college.
Describe the advantages and disadvantages of each. How would you teach students about displaying data?
What was the average effect of the process change? Did the process average increase or decrease and by how much?
Can a confidence interval obtained for estimating a population parameter be used to reject the null hypothesis? If your answer is yes, explain how.
Describe why the Chi-squared tests of the types mentioned above are always right-tailed hypothesis testing problems.
For each column, identify whether the data is qualitative or quantitative. Identify the level of measurement for the data in each column.
Now that you are familiar with the basic concepts of statistics, what are some examples of when you have seen or heard statistics used inappropriately?
What do you infer from the statistical analysis? State the interpretations in non-technical terms. What information might lead to a different conclusion?
Discuss both null hypotheses and alternative hypotheses should be stated. Each must directly correspond with a research question.
What are the measures of center and why are they important? Calculate the measures of center and measures of variation.
Analyze the regression output to determine whether the slope coefficient for "Term" is positive and statistically significant.
Find the value of the linear correlation coefficient r and the critical value of r using a = 0.05. Include an explanation on how you found those values.
Evaluate the control chart and process metrics using Statistical Process Control (SPC) methods.
Determine whether there is sufficient evidence to support the claim of a linear correlation between the magnitudes and the depths from the earthquakes. Explain.
When working with research, would you rather use conditional or joint probability? Explain.
Describe the level of measurement for each variable included in data set (nominal, ordinal, interval, ratio). Discuss the importance of the Measures of Center.
Write the Null and Alternative Hypothesis. What is expected frequency corresponding to the observed frequency 40?