BANA 2372 Test Questions with All Correct Answers

BANA 2372 Test Questions with All Correct Answers When studying students at SHSU what are the elements of the experiment? - Answer- students If you studied students height correlations at SHSU what would be the variable? - Answer-height Labels or names, ex. freshman, sophomore.. are referred to as what type of data? - Answer-nominal data Ranking systems, ex. 5 movies in ranking of preference...is referred to as what type of data? - Answer-ordinal Numerical data, ex. college SAT scores.. is closely related to what type of data? - Answer-interval Categorical data is made up of what two types of data? - Answer-nominal or ordinal Quantitive data is made up of what two types of data? - Answer-interval or ratio What is data collected in the same time period called? - Answer-cross-sectional data What is data collected in several different time periods called? - Answer-time series data What is the subset of a population called? - Answer-sample A statistic is a characteristic of a.... - Answer-sample A parameter is a characteristic of a... - Answer-population What do you call a sample that has the same characteristics as the population? - Answer-representative sample When you use the sample statistics to estimate the population parameter what do you call that? - Answer-inferential statistics What is the formula for calculating relative frequency? - Answer-frequency / number of observations in data sets What is the formula for calculating density? - Answer-relative frequency / interval width How do you calculate the interquartile range? - Answer-Q3 - Q1 What does the five number summary consist of? - Answer-smallest value, Q1, Q3, median, and largest value