BIHAR CGL PRE STATISTICS(Mean Median Mode) QUIZ

Question 1:

Find the range of the data

3, 4, 9, 1, 2, 5, 5, 8, 3, 2, 6, 9, 5

9

5

8

2

Question 2:

Find the mode and median of the 9 consecutive number?

$12, 7, 8, 14, 21, 23, 27, 7, 11$

लगातार 9 संख्याओं का बहुलक और माध्यिका ज्ञात कीजिए।

$12, 7, 8, 14, 21, 23, 27, 7, 11$

12,9

7,9

7,12

11,9

Question 3:

The runs scored by a batsman in 5 ODIs are $31, 97, 112, 63$ , and $12 .$ The standard deviation is:

5 एकदिवसीय मैचों में एक बल्लेबाज द्वारा बनाए गए रन 31 , $97, 112, 63$ और 12 हैं। मानक विचलन है:

24.79

24.79

23.79

23.79

25.79

25.79

26.79

26.79

Question 4:

Relationship between mean , median and mode is

Mean = 3 median – 2 mode

Mode-mean = 3(mean – median )

Mode-median = 2( median – mean)

None of these

Question 5:

The range of the data 14, 6, 12, 17, 21, 10, 4, 3 is

16

17

12

18

Question 6:

Arithmetic mean of 10 observations was 45. If each observation is multiplied by 3 then the mean of new observations is

45

450

135

48

Question 7:

Find range for the following data:

$14, 9, 40, 8, 1, 17, 8, 7$

निम्नलिखित आंकड़ों में से श्रेणी ज्ञात करें:

$14, 9, 40, 8, 1, 17, 8, 7$

40

1

8

39

Question 8:

The average of 32 observations is 38 . If 7 is added to each observation what will be new mean-

45

42

47

44

Question 9:

The mode of the data 3,12,4,6,8,5,4 is:

5

8

4

3

Question 10:

If the mean of $m$ observation out of $n$ observations is $n$ and the mean of remaining observation is $m$ then what is the mean of all $n$ observations-

यदि $n$ प्रेक्षणों में से $m$ प्रेक्षणों का माध्य $n$ है और शेष प्रेक्षणों का माध्य $m$ है तो सभी $n$ प्रेक्षणों का माध्य क्या है?

2 m - \frac{m^{2}}{n}

2 m - \frac{m^{2}}{n}

2 m + \frac{m^{2}}{n}

2 m + \frac{m^{2}}{n}

m - \frac{m^{2}}{n}

m - \frac{m^{2}}{n}

m + \frac{m^{2}}{n^{2}}

m + \frac{m^{2}}{n^{2}}

BIHAR CGL PRE STATISTICS(Mean Median Mode) QUIZ - 18

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BIHAR CGL PRE STATISTICS(Mean Median Mode) QUIZ - 18

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