The following table shows the distribution of the heights of a group of factory workers :
Determine the cumulative frequencies
`{:(" Ht. (cm): ", 150- 155, 155-160, 160-165, 165-170, 170-175, 175-180, 180-185),(" No. of workers " ," "6, " "12, " "18, " "20, " "13, " "8, " "6):}`

The following table shows the distribution of heights of a group of factory workers. Determine the cumulative frequencies.

The following table shows the distribution of the heights of a group of factory workers : Draw the 'less than' cumulative frequency curve on graph paper . Use 2 cm = 5 cm height on one axis and 2 cm = 10 workers on the other {:(" Ht. (cm): ", 150- 155, 155-160, 160-165, 165-170, 170-175, 175-180, 180-185),(" No. of workers " ," "6, " "12, " "18, " "20, " "13, " "8, " "6):}

The following table shows the frequency distribution of heights of 50 boys: Find the mode of heights

Cumulative Frequency Distribution

The following distributions represent the height of 160 studens of a class : Find the modal height

The following table given the daily income of 50 workers of a factory : Find the mean of above data.

The following is the distribution of weights (in kg) of 40 persons. Construct a cumulative frequency distribution (of the less than type) table for the data above.

Given below is distribution of daily earnings of 60 workers in a factory Find 45^(th) percentile.

Find the unknown entries (a,b,c,d,e,f,g) from the following frequency distribution of heights of 50 students in a class: Class intervals (heights in cm) Frequency Cumulative Frequency 150-155 155-160 160-165 165-170 170-175 175-180 12 b 10 d e 2 a 25 c 43 48 f

The following is the distribution of height of students of a certain class in a certain city: {: ("Height (in cms)", 160-162 163-165 166-168 169-171 172-174), ("No. of students", 15 118 142 127 18):} Find the median height.