Advertisements
Advertisements
प्रश्न
Find the mean of the first ten even natural numbers.
Advertisements
उत्तर
First ten even natural numbers = 2, 4, 6, 8, 10, 12, 14, 16, 18, 20.
Sum of all observations = 2 + 4 + 6 + 8 + 10 + 12 + 14 + 16 + 18 + 20 = 110
Number of observations = 10
Mean = `"Sum of all observations"/"Number of observations"`
∴ Mean = `110/10` = 11
APPEARS IN
संबंधित प्रश्न
Solve any two of the following.
In some families in a colony the daily purchase of milk in litre is 1, 3, 2, 2, 4, 1, 2, 2, 1. Find the mean, median and mode of daily purchase of milk.
The number of Science and Mathematics projects submitted by Model high school, Nandpur in last 20 years at the state level science exibition is:
2, 3, 4, 1, 2, 3, 1, 5, 4, 2, 3, 1, 3, 5, 4, 3, 2, 2, 3, 2. Prepare a frequency table and find the mean of the data.
Ashish studies for 4 hours, 5 hours, and 3 hours respectively on three consecutive days. How many hours does he study daily on average?
The mean of a set of numbers is `bar(X)`. If each number is multiplied by z, the mean is
The average of the marks 2, 9, 5, 4, 4, 8, 10 is ____________
The mean height of 11 students in a group is 150 cm. The heights of the students are 154 cm, 145 cm, Y cm, Y + 4 cm, 160 cm, 151 cm, 149 cm, 149 cm, 150 cm, 144 cm and 140 cm. Find the value of Y and the heights of two students?
_______________ is a representative value of the entire data
The mean of first fifteen even numbers is ____________
Mean of the observations can be lesser than each of the observations.
The marks in a subject for 12 students are as follows:
31, 37, 35, 38, 42, 23, 17, 18, 35, 25, 35, 29
For the given data, find the mean
