English

The Pocket Expenses (Per Day) of Anuj, During a Certain Week, from Monday to Saturday Were ₹85.40, ₹88.00, ₹86.50, ₹84.75, ₹82.60 and ₹87.25. Find the Mean Pocket Expenses per Day. - Mathematics

Advertisements
Advertisements

Question

The pocket expenses (per day) of Anuj, during a certain week, from Monday to Saturday were ₹85.40, ₹88.00, ₹86.50, ₹84.75, ₹82.60 and ₹87.25. Find the mean pocket expenses per day.

Sum

Solution

The pocket expenses (per day) during a certain week are: ₹85.40, ₹88.00, ₹86.50, ₹84.75, ₹82.60 and ₹87.25

∴ Mean of pocket expenses per day =`(85.40+88.00+86.50+84.75+82.60+87.25)/6` ......(Here n = 6)

= `514.5/6`

= ₹85.75

∴ Anuj expenses per day = ₹85.75

shaalaa.com
  Is there an error in this question or solution?
Chapter 21: Data Handling - Exercise 21 (B)

APPEARS IN

Selina Concise Mathematics [English] Class 7 ICSE
Chapter 21 Data Handling
Exercise 21 (B) | Q 8

RELATED QUESTIONS

Find the mode of following data, using a histogram: 

Class  0 – 10 10 – 20 20 – 30 30 – 40 40 – 50
Frequency 5 12 20 9 4

In a case of 40 students, marks obtained by the students in a class test (out of 10) are given below:

Marks 2 3 4 5 6 7 8 9 10
Number of students 1 2 3 3 6 10 5 4 3

Calculate the following for the given distribution:
(i) Median
(ii) Mode


The data on the number of patients attending a hospital in a month are given below. Find the average (mean) number of patients attending the hospital in a month by using the shortcut method.  Take the assumed mean as 45. Give your answer correct to 2 decimal places.

Number of patients 10 -  20 20 - 30 30 - 40 40 - 50 50 - 60 60 -  70
Number of Days 5 2 7 9 2 5

If the mean of 11 , 14 , p , 26 , 10 , 12 , 18 , 6 is 15, find p.


Find the mode of the following frequency distribution: 

Hrs. Spent daily in studies 3 3.5 4 4.5 5 5.5 6 6.5
No. of students 8 7 3 5 10 6 3 4

In 10 numbers, arranged in increasing order, the 7th number is increased by 8, how much will the median be changed?


Find the median of the given data: 36, 44, 86, 31, 37, 44, 86, 35, 60, 51


Find the median of the given data: 35, 25, 34, 36, 45, 18, 28


Median of the data may or may not be from the given data.


The marks of 200 students in a test were recorded as follows:

Marks
%
0-10 10-20 20-30  30-40 40-50 50-60 60-70 70-80 80-90 90-100
No. of
students
5 7 11 20 40 52 36 15 9 5

Using graph sheet draw ogive for the given data and use it to find the,

  1. median,
  2. number of students who obtained more than 65% marks
  3. number of students who did not pass, if the pass percentage was 35.

Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×