BASLP 1st Semester Notes  » Paper 6: Research Methods and Statistics

Unit 3: Introduction to Statistics and Data Collection

• Application of statistics in the field of Audiology and speech-language pathology.
• Scales of measurement: nominal, ordinal, interval, ratio
• Classification of data: class intervals, continuous and discrete measurement
• Normal distribution: general properties of normal distribution, theory of probability, area under normal probability curve
• Variants from the normal distribution: skewness and kurtosis
• Measure of central tendency: mean, median, mode
• Measures of variability: range, deviation (average and standard deviation), variance