Calculate standard deviation of the following series: 0-5 5-10 Size 10-15 15-20 20-25 25-30 30-35 35-40 and Frequency 2 5 7 13 21 16 8 3​

Calculate the median from the following distribution: Class: 5-10 10-15 15-20 20-25 25-30 30-35 35-40 40-45 Frequency: 5 6 15 10 5 4 2 2

Calculate mean, variance and standard deviation of the following frequency distribution: Class 1-10 10-20 20-30 30-40 40-50 0-60 Frequency: 11 29 18 4 5 3

Calculate mode of the following sercies : {:("Class Interval",0-5,5-10,10-15,15-20,20-25,25-30,30-35),("Frequency"," "1," "2," "10," "4," "10," "9," "2):}

Write the modal class for the following frequency distribution: Class-interval: 10-15 15-20 20-25 25-30 30-35 35-40 Frequency: 30 35 75 40 30 15

Calculate the mode of the following distribution : [["Class :",10 - 15,15-20, 20-25,25-30,30-35], ["Frequency :",4, 7, 20,8,1]]

What is the standard deviation of the following data ? {:("Measurement",0-10,10-20,20-30,30-40),("Frequency",1,3,4,2):}

Calculate mean deviation from the median for the following distribution: x_i : 10 15 20 25 30 35 40 45 f_i : 7 3 8 5 6 8 4 9

Calculate the median from the following data - set : {:("Size",10-15,15-17.5,17.5-20,20-30,30-35,35-40,40-50),("Frequency"," "10," "15," "17," "25," "28," "30," "40):}

The marks scored by 55 students in a test are given below: Marks 0-5 5-10 10-15 15-20 20-25 25-30 30-35 No. of Students 2 6 13 17 11 4 2 Construct a cumulative frequency distribution.