statistical basics for aptitude - mean median mode, simple interpretation of charts - One Line Questions
1.
Consider the dataset: 5, 1, 4, 2, 3. What is the median? —
3
2.
What is the median of the dataset: 1, 1, 2, 3, 5, 8, 13? —
3
3.
What is the mode of the following numbers: 1, 2, 3, 1, 2, 1, 4? —
1
4.
If the sum of 7 numbers is 140, what is their mean? —
20
5.
What is the mode of the numbers: 10, 12, 15, 12, 10, 12, 10? —
10
6.
What is the median of the dataset: 100, 10, 1, 1000, 100? —
100
7.
What is the mode of the following values: 100, 120, 100, 150, 120, 100, 130? —
100
8.
Find the median of the dataset: 11, 15, 13, 17, 19, 12. —
14
9.
Consider the dataset: 12, 15, 18, 21, 24. What is the mean? —
18
10.
What is the mode of the numbers: 1, 2, 2, 3, 3, 3, 4, 4? —
3
11.
What is the median of the dataset: 4, 8, 2, 10, 6? —
6
12.
Calculate the mean of the numbers: 1.5, 2.5, 3.5, 4.5. —
3.0
13.
What is the mean of the dataset: 15, 25, 35, 45? —
30
14.
Find the median of the dataset: 3, 7, 1, 9, 5. —
5
15.
If you have the following data: 2, 2, 3, 4, 4, 4, 5. What is the median? —
4
16.
What is the mean of the following set of numbers: 1, 3, 5, 7, 9? —
5
17.
What is the mean of the numbers 2, 3, 4, 5, 6? —
4
18.
What is the median of the dataset: 10, 20, 30, 40, 50, 60? —
35
19.
What is the arithmetic mean of the numbers 2, 4, 6, 8, and 10? —
6
20.
What is the mode of the following dataset: 5, 7, 5, 8, 9, 5, 7, 5? —
5
21.
Calculate the mean of the first 10 natural numbers. —
5.5
22.
What is the sum of 5 numbers if their mean is 12? —
60
23.
What is the median of the dataset: 10, 5, 15, 20, 25? —
15
24.
Calculate the mean of the first five prime numbers. —
5.6
25.
Find the median of the dataset: 2, 8, 4, 10, 6, 12. —
7
26.
Find the median of the dataset: 50, 60, 70, 80, 90, 100. —
85
27.
What is the mode of the numbers: 7, 7, 8, 8, 9, 9? —
No unique mode
28.
What is the mode of the following scores: 88, 75, 92, 88, 75, 88, 95? —
88
29.
What is the sum of the deviations of each data point from the mean of the dataset? —
Always zero
30.
A line graph is most suitable for displaying: —
Trends over time
31.
In a histogram, the bars usually: —
Touch each other
32.
A cumulative frequency graph is also known as a: —
Ogive
33.
Which statistical measure is used to identify the most common occurrence in a dataset? —
Mode
34.
Which measure of central tendency is least affected by extreme values? —
Median
35.
Which term refers to the middle value of a dataset when arranged in order? —
Median
36.
Which of the following is NOT a measure of central tendency? —
Standard Deviation
37.
If a dataset is skewed to the right, which of the following relationships typically holds true? —
Mode < Median < Mean
38.
If a dataset is perfectly symmetric, which is typically true? —
Mean = Median = Mode
39.
Which measure of central tendency is most affected by outliers? —
Mean
40.
If the mean of a dataset is 50 and the median is 45, the dataset is likely: —
Skewed to the right
41.
If the mean is greater than the median, the distribution is likely: —
Skewed to the right
42.
If the median of a dataset is 30 and the mean is 35, the distribution is likely: —
Skewed to the right
43.
What does the 'Mean Absolute Deviation' measure? —
The average distance of data points from the mean
44.
In a bar chart, what does the height of each bar typically represent? —
The frequency or count for that category
45.
In a pie chart, what does the entire circle represent? —
100% of the data
46.
In a scatter plot, what is represented on the horizontal axis? —
The independent variable
47.
If a dataset has no repeated values, what can be said about its mode? —
The dataset has no mode
48.
What does the median represent in a dataset? —
The middle value when the data is ordered
49.
What does a frequency polygon connect? —
The midpoints of the upper sides of the bars in a histogram
50.
In a double bar chart, what is typically compared? —
Two or more related variables across categories