Mean of Raw Data
Trending Questions
The points scored by a basketball team in a series of matches are as follows.
17, 2, 7, 27, 25, 5, 14, 18, 10, 24, 48, 10, 8, 7, 10, 28
Find the median and mode of the data.
- 26
- 27
- 28
- 29
What is the mean of the first ten natural numbers?
4.5
5.5
6.5
5
Find mean, median and mode of the given data
- True
- False
Find mean, median and mode of the given data
The average marks of the students of class 8th for Mathematics are 45. But most of the students were given 60 out of 100.The Median of the class would be:
40
50
30
60
- 40.6
- 39.4
- 38
- 39
- There are 7 classes with the below frequencies.
{10, 12, 15, 17, 14, 15, 17} - There are 7 classes with the below frequencies.
{5, 7, 5, 6, 4, 5, 7} - There are 6 classes with the below frequencies.
{2, 20, 25, 17, 19, 22} - There are 6 classes with the below frequencies.
{17, 20, 25, 17, 19, 22}
A study was conducted to find out the concentration of sulphur dioxide in the air in parts per million (ppm) of a certain city. The data obtained for 30 days isas follows:
0.030.080.080.090.040.170.160.050.020.060.180.200.110.080.120.130.220.070.080.010.100.060.090.180.110.070.050.070.010.04
(i) Make a grouped frequency distribution table for this data with class intervals as 0.00 - 0.04, 0.04 - 0.08, and so on.
- 7
- 8
- 9
- 6
{1, 3, 4, 5, 2, 2, 7}
- 3
- 2
- 3.4
The given table shows the rainfall in mm in different cities in India for a year.
CitiesRainfall (mm)Delhi44.6Mumbai63.5Kolkata60.7Pune56.2Bangalore60.1Bhubaneswar49.4Chennai61.7Ooty56.9Ahmedabad34.4Jaipur32.5
Find the mean rainfall in the year.
- 64.25
- 64.50
- 62.25
- 64.25
- 29.93
- 29.63
- 27.73
- 29.73
Find mean, median and mode of the given data
- 10
- 2
- 7
- 4
Khilona earned scores of and respectively in her first three examinations. If she scored in the fourth examination, then her average score will be
Increased by
Increased by
Decreased by
Decreased by
Calculate mean for the following data :
Height | 140 | 142 | 143 | 145 | 148 | 150 |
No. of boys | 2 | 6 | 10 | 15 | 4 | 3 |
Find the missing frequency ‘’ for the following frequency distribution whose mean is .
If the mean of the observations: is , the mean of the last three observations is
₹ 21450, ₹46200, ₹ 54500, ₹ 54500 and ₹ 54500
Find the mean of the Binod's salary for the past five months.
- ₹ 46200
- ₹ 46250
- ₹ 46240
- ₹ 46230
In a mathematics test given to 15 students, the following marks (out of 100) are recorded:
41, 39, 48, 52, 46, 62, 54, 40, 96, 52, 98, 40, 42, 52, 60
Find the mean, median and mode of this data.
Height110115x1120121125Number of students6814f143
- None of these
- x1=118, f1=15
- x1=121, f1=15
- x1=118, f1=8
A person recorded the speed (in km/hr) of 10 motorists as 48, 52, 57, 55, 45, 39, 61, 49, 51 and 43. The average speed of the motorists is
- 57 km/hr
50 km/hr
55 km/hr
54 km/hr
Height110115x1120121125Number of students6814f143
(2 marks)
- 7
- 4
- 10
- 2
- 2
- 0
- 3
- 1