The value of the arithmetic mean is not affected by extreme values.
True
False
Median of raw data is not affected by extreme values.
True
False
Mean is always one of the observations in the data.
True
False
Median is one of the observations in the data if the number of observations is odd.
True
False
The value of the mean, median and mode can never be equal.
True
False
The value of mean always lies between the minimum and maximum value of the data.
True
False
The number of times a particular observation occurs in a given data is called its frequency.
True
False
Average of quantities is also known as mean or arithmetic mean.
True
False
Click the correct answer.
Which of the following is not a central tendency?
Mean
Range
Median
Mode
What do we call the value of the data that occurs the maximum number of times?
Mean
Median
Mode
Range
What is the value of mode for the given data?
3, 4, 1, 4, 3, 6, 0, 3, 3, 2, 6, 2, 6, 1
3
6
4
2
What will happen to the new mean if each observation of data is increased by 1?
It will increase by 1.
It will decrease by 1.
It will remain the same.
Cannot be determined.
A shopkeeper keeps a weekly record of sales of different sizes of shirts. Which central tendency he cannot ignore while placing an order for procurement of shirts?
Mean
Median
Mode
Range
Which of the following is obtained by dividing the sum of all the observations in the given data by the total number of observations?
Frequency
Mean
Data
Mode
Which number is represented by the given tally marks?
11
12
14
13
Click the correct answer.
In the data, the numbers 1, 2 and 3 repeat as many times as their value. The mode of the data is
.
3
1
2
The
divides data into two equal halves.
median
mode
mean
The mode of 7 observations is 50. If by mistake the whole series is repeated once again, then the mode of 14 observations so obtained is
.
50
100
55
Krish scored 100 out of 100 marks in his class. The range of the marks scored by the class is 40. The lowest marks scored in the class are
marks.
60
50
55
Tally marks are used to evaluate
.
frequency
data
mode
The spread in the data called its
is the difference between the highest and the lowest scores.
range
mode
arithmetic mean
The data becomes meaningful if we arrange it in ascending or descending order of magnitude called
.
