Calculate Standard Deviation by direct Method. Size 1 3 5 7 9 11 Frequency 2 4 6 4 2 6
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Explanation:
Calculation of Standard Deviation
Calculation of Standard DeviationBefore starting with the various approaches towards the calculation of SD we should know about the three types of distribution of data which are:
Calculation of Standard DeviationBefore starting with the various approaches towards the calculation of SD we should know about the three types of distribution of data which are:Individual series: There is only a single column of observations.
Calculation of Standard DeviationBefore starting with the various approaches towards the calculation of SD we should know about the three types of distribution of data which are:Individual series: There is only a single column of observations.Score 25 31 45 66 70 75 81 86 90
Calculation of Standard DeviationBefore starting with the various approaches towards the calculation of SD we should know about the three types of distribution of data which are:Individual series: There is only a single column of observations.Score 25 31 45 66 70 75 81 86 90Discrete series: There are two columns of data, one consists of the observations, while the other consists of frequencies corresponding to the observations.
Marks 30 40 50 60 70 80
Marks 30 40 50 60 70 80Number of students 5 6 4 9 10 8
Frequency distribution: It also has two columns consisting of observations and corresponding frequencies. However, the observations are further classified into classes or intervals.
Frequency distribution: It also has two columns consisting of observations and corresponding frequencies. However, the observations are further classified into classes or intervals.Age 20-30 30-40 40-50 50-60 60-70-70-80
Frequency distribution: It also has two columns consisting of observations and corresponding frequencies. However, the observations are further classified into classes or intervals.Age 20-30 30-40 40-50 50-60 60-70-70-80Number of people 34 45 30 20 15 10