STATISTICS Test

STATISTICS

This is STATISTICS Test-03 for CBSE class 10 Maths.. There are 15 questions in this test with each question having around four answer choices.

Questions & Answers

1
The wickets taken by a bowler in 10 cricket matches are 2, 6, 4, 5, 0, 2, 1, 3, 2, 3. The mode of the data is
  • A
    2
    Correct
  • B
    1
  • C
    4
  • D
    3
2
In a data, if l = 40, h = 15, \({f_1} = 7\), \({f_0} = 3\), \({f_2} = 6\), then the mode is
  • A
    none of these
  • B
    72
  • C
    62
  • D
    52
    Correct
3
The mode of 4, 5, 6, 8, 5, 4, 8, 5, 6, x, 8 is 8. The value of ‘x’ is
  • A
    4
  • B
    6
  • C
    5
  • D
    8
    Correct
4
The wickets taken by a bowler in 10 cricket matches are 2, 6, 4, 5, 0, 3, 1, 3, 2, 3. The mode of the data is
  • A
    2
  • B
    1
  • C
    4
  • D
    3
    Correct
5
In a data, if l = 60, h = 15, \({f_1} = 16\), \({f_0} = 6\), \({f_2} = 6\), then the mode is
  • A
    none of these
  • B
    60
  • C
    72
  • D
    67.5
    Correct
6
The mode of 4, 5, 6, 8, 5, 4, 6, 5, 6, x, 8 is 6. The value of ‘x’ is
  • A
    8
  • B
    5
  • C
    6
    Correct
  • D
    4
7
For the following distribution Class 60-70 70-80 80-90 90-100 100-110 Freq 13 10 15 8 11 the lower limit of the modal class is
  • A
    80
    Correct
  • B
    70
  • C
    100
  • D
    90
8
For the following distribution Class Below 10 Below 20 Below 30 Below 40 Below 50 Below 60 Freq 3 12 27 57 75 80 the modal class is
  • A
    30 – 40
    Correct
  • B
    50 – 60
  • C
    40 – 50
  • D
    20 – 30
9
The times, in seconds, taken by 75 athletes to run a 500m race are tabulated as below: Class 65-85 85-105 105-125 125-145 145-165 165-185 185-205 Freq 4 5 18 20 17 7 4 The number of athletes who completed the race in less than 125 seconds is
  • A
    20
  • B
    18
  • C
    17
  • D
    27
    Correct
10
The median of first 10 prime numbers is
  • A
    11
  • B
    13
  • C
    none of these
  • D
    12
    Correct
11
The most frequent value in the data is known as
  • A
    median
  • B
    mean
  • C
    mode
    Correct
  • D
    all the three
12
Mode of a data is given by
  • A
    \(l - \left( {\frac{{{f_1} - {f_0}}}{{2{f_1} - {f_0} - {f_2}}}} \right) \times h\)
  • B
    \(l + \left( {\frac{{{f_1} - {f_0}}}{{2{f_1} - {f_0} - {f_2}}}} \right) \times h\)
    Correct
  • C
    \(h + \left( {\frac{{{f_1} - {f_0}}}{{2{f_1} - {f_0} - {f_2}}}} \right) \times l\)
  • D
    \(l + \left( {\frac{{{f_0} - {f_1}}}{{2{f_1} - {f_0} - {f_2}}}} \right) \times h\)
13
The wickets taken by a bowler in 10 cricket matches are 2, 6, 4, 5, 0, 2, 1, 3, 2, 3. The median of the data is
  • A
    2
  • B
    3
  • C
    2.5
    Correct
  • D
    1
14
The marks obtained by 9 students in Mathematics are 59, 46, 30, 23, 27, 40, 52, 35 and 29. The median of the data is
  • A
    30
  • B
    35
    Correct
  • C
    29
  • D
    40
15
The percentage of marks obtained by 100 students in an examination are as follows: Marks 30-35 35-40 40-45 45-50 50-55 55-60 60-65 Frequency 14 16 18 23 18 8 3 The median class is
  • A
    50 – 55
  • B
    45 – 50
    Correct
  • C
    40 – 45
  • D
    none of these