Biostatistics Exam 1
Review(updated)questions well
answered
IQR - correct answer ✔✔Q3 - Q1
Five Number Summary - correct answer ✔✔Min Q1 Median Q3 Max
Range - correct answer ✔✔Max - min
Types of Data Sets - correct answer ✔✔Descriptive: mean, std, dev, median, min, max
Inferential: methods for drawing conclusions about a phenomenon
Population and sample - correct answer ✔✔Population (N) > sample (n)
Parameter - correct answer ✔✔Number that refers to the population
Statistic - correct answer ✔✔A number that describes a characteristic of a sample
Types of variables - correct answer ✔✔Quantitative: measured (use histograms, dotplots, stemplots)
Categorical: categorized (finite set)
Left skew (negative) - correct answer ✔✔Mean < median
Right skew (positive) - correct answer ✔✔Mean > median
Z-score (standardize data for comparison) - correct answer ✔✔Sample: (x-xbar)/s
Review(updated)questions well
answered
IQR - correct answer ✔✔Q3 - Q1
Five Number Summary - correct answer ✔✔Min Q1 Median Q3 Max
Range - correct answer ✔✔Max - min
Types of Data Sets - correct answer ✔✔Descriptive: mean, std, dev, median, min, max
Inferential: methods for drawing conclusions about a phenomenon
Population and sample - correct answer ✔✔Population (N) > sample (n)
Parameter - correct answer ✔✔Number that refers to the population
Statistic - correct answer ✔✔A number that describes a characteristic of a sample
Types of variables - correct answer ✔✔Quantitative: measured (use histograms, dotplots, stemplots)
Categorical: categorized (finite set)
Left skew (negative) - correct answer ✔✔Mean < median
Right skew (positive) - correct answer ✔✔Mean > median
Z-score (standardize data for comparison) - correct answer ✔✔Sample: (x-xbar)/s
