a slide presentation made for instruction. this covers concepts and facts introducing statistics.

1. Elementary Statistics Krizza Joy M. dela Cruz NEUST-CoEd

13. History of Statistics

30. Making inferences from the data to more general conditions Simply describe what’s going on with the data Infer the nature of a larger (typically infinite) set of data Describe the data in hand Inferring from the sample data what the population might think Provides summaries about the sample and the measures Drawing conclusions that extend beyond the immediate data alone Describing what is or what the data shows Inferential Statistics Descriptive statistics

31. Example: Inferential Statistics answer question like “ Is there significant difference in the academic performance of male and female students in statistics?” A politician wants to estimate his chance of winning in the upcoming senatorial election. Example: Descriptive statistics answer question like “ How many students are interested to take statistics online?” A basketball player wants to find his average shots for the past 10 games. Test on Proportion and Chi-square test Normal distributions Simple time series analysis, correlation and regression Summary measures of data Sampling distributions and Hypothesis testing Sampling techniques Inferential Statistics Descriptive statistics