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Tuesday, August 25, 2020

NCERT Maths Objective Questions Answers Class 7 Data Handling Quiz - 2

1. Find the mode of the numbers: 2, 2, 2, 3, 3, 4, 5, 5, 5, 6, 6, 8

2 and 3
2 and 5
2 and 4
3 and 5
2. Which of the following is/are also called the measures of the central tendency.
i. Mean
ii. Mode
iii. Median
iv. All of the above
Only i
Only ii
Both I and ii
Only iv
3. The ________ of a set of observations is the observation that occurs most often.
Mode
Median
Mean
Range
4. Find the median of the data: 24, 36, 46, 17, 18, 25, 35
24
25
27
29
5. Tell which of the following statement(s) is(are) true:
(i) The mode is always one of the numbers in a data.
(ii) The mean is one of the numbers in a data.
(iii) The median is always one of the numbers in a data.
Only i
Only ii
Only iii
All of the above
6. Mean, Mode and Median are the numbers that are the representative values of a group of observations or data. They lie _________ the minimum and maximum values of the data.
Outside
Between
Below
Above
7. Tell whether the following is certain to happen, impossible, can happen but not certain.
(i) You are older today than yesterday.
(ii) A tossed coin will land heads up.
(iii) A die when tossed shall land up with 8 on top.
(iv) The next traffic light seen will be green.
(v) Tomorrow will be a cloudy day.
Certain-i, ii impossible-iii, Can happen not certain-iv, v
Certain-i, impossible-iii, iv Can happen not certain-ii, v
Certain-i, iv impossible-iii, Can happen not certain-ii, v
Certain-i, impossible-iii, Can happen not certain-ii, iv, v
8. A bar graph is a representation of numbers using bars of _________________.
Uniform heights
Uniform widths
Uneven widths
Uneven heights
9. What is the probability of the events which have no chance of happening?
0
0.25
0.5
1
10. What is the probability of getting number 5 on throwing a dice?
0
1
5
1/6






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