Data Handling
See The Chapter PDF
Short Answer Questions(SAQs)
What is a double bar graph?
A double bar graph is used to display two sets of data on the same graph.
What is a scaling factor?
A scale factor is a number which multiplies (“scales”) a quantity.
What is the meaning of ‘Favourable outcome’?
A favourable outcome is an outcome that denotes how many times we expect the thing to happen.
MCQs
1. What is the range of the data: 10, 15, 20, 25, 30?
(a) 20
(b) 30
(c) 10
(d) 15
► (a) 20
2. Which graph is best to compare two sets of data?
(a) Line graph
(b) Pie chart
(c) Double bar graph
(d) Pictograph
► (c) Double bar graph
3. What is the median of the data: 2, 4, 6, 8, 10?
(a) 6
(b) 5
(c) 8
(d) 4
► (a) 6
4. If a coin is tossed once, what is the probability of getting heads?
(a) 1
(b) 12
(c) 14
(d) 0
► (b) 12
5. Which of the following shows data using pictures or symbols?
(a) Bar graph
(b) Line graph
(c) Pictograph
(d) Double bar graph
► (c) Pictograph
6. What is the mode of the data: 2, 3, 4, 3, 5, 3?
(a) 2
(b) 3
(c) 4
(d) 5
► (b) 3
7. Which of the following cannot be the probability of an event?
(a) 0
(b) 1
(c) 35
(d) 1.5
► (d) 1.5
8. In a bar graph, the width of bars must be:
(a) Unequal
(b) Equal
(c) Alternating
(d) Any size
► (b) Equal
9. What is the sum of probabilities of all possible outcomes of an event?
(a) 0
(b) 2
(c) 1
(d) 12
► (c) 1
10. Which central tendency is affected by extreme values?
(a) Mean
(b) Median
(c) Mode
(d) Range
► (a) Mean
11. What type of graph is used to show continuous data?
(a) Line graph
(b) Bar graph
(c) Pie chart
(d) Histogram
► (a) Line graph
12. How many faces does a standard die have?
(a) 4
(b) 6
(c) 8
(d) 10
► (b) 6
13. What is the range of 5, 10, 15, 25?
(a) 20
(b) 25
(c) 15
(d) 10
► (a) 20
14. A coin is tossed. What is the total number of outcomes?
(a) 3
(b) 4
(c) 2
(d) 1
► (c) 2
15. In a pictograph, one symbol represents:
(a) Always 1
(b) Always 10
(c) Varies as per scale
(d) Always 5
► (c) Varies as per scale
16. Mean of 5, 10, 15 is:
(a) 10
(b) 15
(c) 12.5
(d) 5
► (a) 10
17. Which is a possible probability value?
(a) −0.5
(b) 1.2
(c) 45
(d) 2
► (c) 45
18. If 2 dice are thrown, what is the maximum possible sum?
(a) 6
(b) 10
(c) 12
(d) 11
► (c) 12