The distribution of height of `50` children are given.if the mean height for the distribution is `117.8 cm` then complete the following table.

Find the mean of the following distribution table:

If the mean of the following frequency distribution is 50 , then find the value of k.

The mean of the following frequency distribution is 50. Find the value of f:

The following table shows the distribution of the heights of a group of students: Use a graph sheet to draw an Ogive for the distribution. Use the Ogive to find: the number of students whose height is more than 168 cm

The following table shows the distribution of the heights of a group of students: Use a graph sheet to draw an Ogive for the distribution. Use the Ogive to find: the number of students whose height is less than 148 cm.

The following table shows the distribution of the heights of a group of students: Use a graph sheet to draw an Ogive for the distribution. Use the Ogive to find: the inter quartile range

The heights (in cm) of 90 plants in a garden are given below Find the mean height

Find the mean for the following distribution table by short cut method: