Statistics Notes PDF

MEAN: It refers to the average of a set of numbers. It's a measure of central tendency that represents the typical value in a data set. To calculate the mean, you sum up all the values in a dataset and then divide by the number of values. Q1) Q2) Q3) Q4) Q5) MEDIAN: In statistics, the median...

MEAN: It refers to the average of a set of numbers. It's a measure of central tendency that represents the typical value in a data set. To calculate the mean, you sum up all the values in a dataset and then divide by the number of values. Q1) Q2) Q3) Q4) Q5) MEDIAN: In statistics, the median is a measure of central tendency that represents the middle value in a data set when it is ordered from least to greatest (or greatest to least). It is used to identify the center of a data set, and it is particularly useful when the data contains outlier s or skewed distributions because it is less affected by extreme values compared to the mean (average). Q1) Q2) Q3) Q4) Q5) MODE: Mode is the value that appears most frequently in a data set. If no number repeats, there is no mode. If two numbers appear with the same highest frequency, the data is bimodal. If more than two values appear with the highest frequency, the data is multimodal. Q1) Q2) Q3)