The word 'Latum' is a

Facts or information collected with a definite purpose are called:

The lower limit of the class 31-35 is

The upper limit of the class 36 - 40 is

Class mark of a class interval 15 - 25 is:

Two consecutive class marks of a distribution are 52 and 57. Then the class size is:

Find the mean of all possible factors of 10.

If the mean of 5,10,15,p,20,35,40 is 21. Then the value of p is

If the median of the following data arranged in ascending order is 18, then the value of x is 8 11 12 16 16+x 20 25 30

Median of given data is: 144,145,147,148,149,150,152,155,160

Find the mean of first six odd numbers.

The points scored by a basketball team in a series of matches are as follows: 17,2,7,17,25,514,18,10. Find range.

The marks obtained by 40 students of class IX in an examination are given below:

Present the data in the form of a frequency distribution using equal class-size, one such class being 10-15 (15 not included.)

5 people were asking about the time in a week they spend in doing social work in their community. They said 10,7,13,20 and 15 hours, respectively. Find the mean (or average) time in a week denoted by them social work

The mean of 100 observations is 60. If one observation of 50 is replaced by 110, then what will be the new mean?

A random survey of the number of children of various age groups playing in a park was found as follows:

Draw a histogram to represent the data above.

Represent the following data by means of histogram.

For a particular year, following is the distribution of ages (in hours) of primary school teachers in a particular state.

1. Determine the class limits of the fourth class.
2. What is the class size?
3. Construct a cumulative frequency table.

A family with a monthly income of Rs. 20,000 had planned the following expenditure per month under various heads.

Draw a bar graph for the data above

Thirty children spent about the number of hours they watched TV programs in the previous week. The result was as follow:

(i) Prepare a frequency table for the data given.
(ii) Find the mode of the data.

The class marks of a frequency distribution are 104, 114, 124, 134, 144, 154, 164. Find the class size and class intervals.

The following table gives the life times of 400 neon lamps:

(i) Represent the given information with the help of a histogram.
(ii) How many lamps have a life time of more than 700 hours?

The % of marks obtained by students in the annual examination of a class in mathematics are given below:

(i) How many students get less than 30% of marks?
(ii) Represent the data by histogram.
(iii) Which value is depicted by a student Ram obtaining the highest marks in the interval 45-50?