Question 46

The sixth class interval for a grouped data whose first two class intervals are 10-15 and 15-20 is ___

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Solution

35-40
From the first two intervals, we can observe that the class size is 5. So, the sixth class interval will be 35 - 40.

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Question 46

The sixth class interval for a grouped data whose first two class intervals are 10-15 and 15-20 is ___

Q. Find the sum of lower limit of fifth and upper limit of sixth class interval for a grouped data whose first and second class intervals are 10 – 15 and 15 – 20.

Q. For the collection of numbers 12, 15, 8, 13, 12, 15, 9, 16, 24, 20, 20, 16 and 10, answer the following:

(i) What is the cumulative frequency of 16?

(ii) If 15 - 20 be an overlapping class interval when the numbers are grouped, find the cumulative frequency of the class interval.

(iii) If 15 - 20 be a nonoverlapping class interval when the numbers are grouped, find the cumulative frequency of the class interval.

Look at the following table below.
$\begin{matrix} C l a s s i n t e r v a l & C l a s s m a r k 0 - 5 5 - 10 10 - 15 15 - 20 \end{matrix}$

The class-mark for the first and second class intervals are:

Question 93

The marks obtained (out of 20) by 30 students of a class in a test are as follows :
14, 16, 15, 11, 15, 14, 13, 16, 8, 10, 7, 11, 18, 15, 14,
19, 20, 7, 10, 13, 12, 14, 15, 13, 16, 17, 14, 11, 10, 20.
Preparing a frequency distribution table for the above data using class intervals of equal width in which one class interval is 4-8 (excluding 8 and including 4).

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Question 46 The sixth class interval for a grouped data whose first two class intervals are 10-15 and 15-20 is ___

35-40 From the first two intervals, we can observe that the class size is 5. So, the sixth class interval will be 35 - 40.

Question 46

The sixth class interval for a grouped data whose first two class intervals are 10-15 and 15-20 is ___

35-40
From the first two intervals, we can observe that the class size is 5. So, the sixth class interval will be 35 - 40.