Podcast
Questions and Answers
What is the purpose of descriptive statistics?
What is the purpose of descriptive statistics?
- To generalize the findings from a sample to a population
- To describe and summarize the parameters of a population or the statistics of a sample (correct)
- To test hypotheses about a population
- To gather data from a sample
What is the term for all of the items or individuals that a researcher wants to study?
What is the term for all of the items or individuals that a researcher wants to study?
- Population (correct)
- Parameter
- Statistic
- Sample
What is the calculation to find the variance?
What is the calculation to find the variance?
- Sum of the differences divided by the number of data points
- Mean of the squared differences
- Sum of squared differences divided by the number of data points (correct)
- Squared difference of the mean
What is the relationship between the variance and the standard deviation?
What is the relationship between the variance and the standard deviation?
What is the purpose of gathering data from a sample?
What is the purpose of gathering data from a sample?
What is the result of subtracting the mean from each value in a data set and then squaring the differences?
What is the result of subtracting the mean from each value in a data set and then squaring the differences?
What is the primary goal of exploratory research?
What is the primary goal of exploratory research?
What type of research involves the use of inferential statistics to test a hypothesis?
What type of research involves the use of inferential statistics to test a hypothesis?
What is the primary difference between quantitative and qualitative data?
What is the primary difference between quantitative and qualitative data?
What is the purpose of measures of location in statistical analysis?
What is the purpose of measures of location in statistical analysis?
Which type of research involves studying the effects of variables on each other?
Which type of research involves studying the effects of variables on each other?
What is the characteristic of non-quantitative research?
What is the characteristic of non-quantitative research?
What is the primary purpose of a frequency distribution?
What is the primary purpose of a frequency distribution?
What is the term for measures that tell you the position of values in a frequency distribution?
What is the term for measures that tell you the position of values in a frequency distribution?
What is a characteristic of the intervals in a frequency distribution?
What is a characteristic of the intervals in a frequency distribution?
What do measures of central tendency provide?
What do measures of central tendency provide?
What is a common association of frequency distributions?
What is a common association of frequency distributions?
What is a common use of frequency distributions in statistical analysis?
What is a common use of frequency distributions in statistical analysis?
