A sample of 30 3-5 year old the children were asked tp count out loud. The highest number of numbers that a child can count before making a mistak is recorded and shown below numnbers  counted:   1      2     3     4     5     6    7     8     9    10   11    12     13     14      15     16 number of children frequency:  0    0     0     2      2     0    3    1   2        5      0       1        1      4        5       4 (a)What number(s) did most 3-5 years  old children  count up to ? (b) What is the median number of numbers to which 3-5 years old can count ? (c) What is the median number to which 3-5 year old can count up?   sum of x=   n=?    mean = ?

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A sample of 30 3-5 year old the children were asked tp count out loud. The highest number of numbers

that a child can count before making a mistak is recorded and shown below

numnbers

 counted:   1      2     3     4     5     6    7     8     9    10   11    12     13     14      15     16

number of

children

frequency:  0    0     0     2      2     0    3    1   2        5      0       1        1      4        5       4

(a)What number(s) did most 3-5 years  old children  count up to ?

(b) What is the median number of numbers to which 3-5 years old can count ?

(c) What is the median number to which 3-5 year old can count up?

  sum of x=

  n=?

   mean = ?

(d) what is the standard deviation for which the number of numbers for which 3-5 year old

can count up ?

      sum(x square)=

    (sum of x ) squared  =

standard deviation  =?

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