Mathematics-Statistics [NSTSE (National Science Talent Search Exam- Unified Council) Class 9]: Questions 10 - 18 of 83
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Question 10
Question MCQ▾
Then the excluded number is
Choices
Choice (4) | Response | |
---|---|---|
a. | 42 | |
b. | 38 | |
c. | 62 | |
d. | None of the above |
Question 11
Question MCQ▾
The median of the following data 38, 25, 16, 52, 47, 32, 68, 8,11, 74 is
Choices
Choice (4) | Response | |
---|---|---|
a. | 35 | |
b. | 38 | |
c. | 47 | |
d. | 32 |
Question 12
Question MCQ▾
If each entry of a data is increased by 4, then the arithmetic mean
Choices
Choice (4) | Response | |
---|---|---|
a. | Decreases by 6 | |
b. | Increases by 4 | |
c. | Remains the same | |
d. | All of the above |
Question 13
Question MCQ▾
The mean of 774, 776,778, 780 and 782 is
Choices
Choice (4) | Response | |
---|---|---|
a. | 774 | |
b. | 782 | |
c. | 776 | |
d. | 778 |
Question 14
Question MCQ▾
If the arithmetic mean of 8, 12,15, 21, x, 25 is 15, then x is
Choices
Choice (4) | Response | |
---|---|---|
a. | 4 | |
b. | 9 | |
c. | 18 | |
d. | 11 |
Question 15
Question MCQ▾
If each entry of a data is decreased by 1, then the arithmetic mean
Choices
Choice (4) | Response | |
---|---|---|
a. | Remains the same | |
b. | Decreases by 1 | |
c. | Increases by 1 | |
d. | All of the above |
Question 16
Question 17
Question MCQ▾
If the arithmetic mean of 5, 13,26, 18, x, 32 is 16, then x is
Choices
Choice (4) | Response | |
---|---|---|
a. | 2 | |
b. | 16 | |
c. | 8 | |
d. | 4 |
Question 18
Question MCQ▾
The daily earnings (in rupees) of 9 workers in a factory are 9, 11, 15, 9, 15, 13, 9,17, 17. The median wage is
Choices
Choice (4) | Response | |
---|---|---|
a. | 13 | |
b. | 9 | |
c. | 15 | |
d. | 11 |