Hsci 190 exam - Study guides, Class notes & Summaries

HSCI 190 Exam

What does PPDAC stand for? Correct Answer: Problem, Plan, Data, Analysis, Conclusions Problem in PPDAC: Correct Answer: What is the problem or question? Plan in PPDAC Correct Answer: what info do you need to answer the question? Data in PPDAC Correct Answer: collecting high quality information Analysis in PPDAC Correct Answer: Sorting, graphing, and running statistical tests Conclusions in PPDAC Correct Answer: Interpretation, communication, and generating new ideas 2 Why was the Wa...

HSCI 190 - Final Exam with Questions and Answers What are descriptive statistics ANSWER summarizing and describing data to find patterns cannot generalize conclusions beyond the data set visualization of data, measures of central tendency, variability What are Inferential Statistics ANSWER analyzing data to make general conclusions address specific questions about how the world works standard error of the mean (SEM), confidence intervals, hypothesis testing, t-tests, ANOVAs, correl...

HSCI-190 Exam Prep with Questions and Answers Descriptive statistics ANSWER way of summarizing/ describing data so patterns can become apparent. The researcher can not generalize conclusions beyond the data that has been collected; included the visualization of data, measures central tendency, and variability. Inferential statistics ANSWER way of analyzing data to make general conclusions about the way the world works and includes concepts such as the standard error of the man (SEM) confid...

HSCI 190 - Module 6 Exam with Questions and Answers what is correlation ? ANSWER - refers to the relatedness between two continuous variables - used to determine how variables impact each other - measures the degree to which the data points cluster around the regression line what is a line of best fit ? ANSWER - superimposed on a scatter plot - shows the general pattern of the relationship - aka regression line what are correlation coefficients ? ANSWER - a measure of relatedness ...

HSCI 190 - Module 4 Exam with Questions and Answers what is the student's t distribution ? ANSWER - variation of the z distribution - deals with data whose population SD is unknown - aka t distribution what is the mean and area of the t distribution ? ANSWER - mean = 0 - area = 1 - graph is symmetric around the mean how does a large sample size affect the t distribution ? ANSWER the larger the sample size, the more the t distribution approaches the normal how does a small sam...