The enrolment in a school during six consecutive years was as follows: 1555, 1670, 1750, 2013, 2540, 2820 Find the mean enrolment of the school for this period

The enrolment in a school during six consecutive years was as follows:1555, 1670, 1750, 2013, 2540, 2820Find the mean enrolment of the school for this period

The following table shows the ages of the patients admitted in a hospital during a year: Age (in years): 5-15 15-25 25-35 35-45 45-55 55-65 No. of students: 6 11 21 23 14 5 Find the mode and the mean of the data given above. Compare and interpret the two measures of central tendency.

The ages (in years) of 50 students of a class in a school are given below: Age (in years): 14 15 16 17 18 Numbers of students: 15 14 10 8 3 Find the mean age.

Number of workshops organized by a school in different areas during the last five years are as follows: years, No. of workshops 1995-1996 1996-1997 1997-1998 1998-1999 1999-2000, 25 30 42 50 65 Draw a histogram representing the above data.

Total number of students of a school in different years is shown in the following table: Year, No. of Students 1996 1998 2000 2002 2004, 400 550 450 600 650 Represent the above data by a pictograph. Prepare a pictograph of students using one symbol an icon of a student to represent 100 students and answer the following questions: How many symbols represent total number of students in the year 2002? How many symbols represent total number of students in the year 1998? Prepare another pictograph of students using any other symbol each representing 50 students. Which pictograph do you find more informative?

In a certain school district , teachers are allowed to take three personal days, at full pay , during one school year. Here is a summary of the number of personal days taken by teachers in 2013-2014 . From this table you can accurately find I.the arithmetic mean of personal days taken II. The median number of personal days taken III. The mode of the number of personal days taken

The following are the ages (in years) of 12 teachers in a school : 36, 44, 39, 46, 35, 53, 38, 42, 55, 45, 49, 40 Arrange the above data in an ascending order and answer the questions given below: What is the mean age of the teachers in the school?

The following table shows the ages of the patients admitted in a hospital during a year:Find the mode and the mean of the data given above. Compare and interpret the two measures of central tendency.

The following distribution gives the state-wise teacher-student ratio in higher secondary schools of India. Find the mode and mean of this data. Interpret, the two measures: Number of students per Teacher Number of States/U.T. 15-20 3 20-25 8 25-30 9 30-35 10 35-40 3 40-45 0 45-50 0 50-55 2