Practice Test | Kullabs.com
0%
  • Marie has the following data:

     2, 2, k, 14, 3 

    If the mean is 6, which number could k be?

    5
    6
    1
    9
  • Find mean.

    -9, -5, -7, 0, -7, -4, -4, -1, -7, -6

    -6
    -5
    2
    -7
  • Find mean.

    4, 8, 12, 16 , 20

    8
    16
    5
    12
  • Find mean.

    6, 16, 20, 30, 36

    20
    25.02
    46
    21.6
  • What is the mean?

    7, 0, 6, 6, -5, 6, 3, -1, 6, -8

    -6
    -1
    2
    3
  • Brinda tallied the number of times her favourite new song played on 8 radio stations this week. She tallied:

    4 plays 5 plays 6 plays 8 plays
    4 plays 7 plays 9 plays 5 plays

    What was the mean number of plays?

    9
    5
    6
    4
  • Find the value of k from the given data whose mean is 23.

    10, 17, 19, k, 27 , 29, 33

    25
    12
    26
    41
  • Find the value of x from the given data whose mean is 8.

    x, 7, 9, 8, 10, 12

    56
    4
    2
    12
  • Find the value of P from the given data whose mean is 34.

    20, 24, 32, 40, P & 52

    21
    45
    25
    36
  • Find the value of x from the given data whose mean is 22.

    x, x+4, x+8, x+12, x+16

    20
    25
    14
    15
  • Find the value of Q if  the mean of 10, 22, 12, 8, 14, Q and 20 is 16.

     

    18
    12
    26
    20
  • Find the mean.

    90, 50, 70, 30, 20, 10

    80
    60
    45
    55
  • The age (in years) of 15 students are as follows. Calculate their average age.

    12, 13, 11, 12, 15 , 14 , 11, 12 , 12, 11, 13, 12, 11

    13
    12
    14
    12.33
  • The mean of 5, 7, 9, x and 15 is 10, find x. 

    15
    16
    12
    14
  • The mean of 3, 7, 10, 15 and x is 12, find x

    15
    25
    5
    20
  • You scored /15


    Take test again