8/20/2019 Mode Median Mean

1/2

CHAPTER 4 : STATISTICS (II)MODE, MEDIAN AND MEAN

1. Table 1 shows the shoe sizes of students in a class.

Shoe Size Number of  Studet!

5 66  x 

7 118 15

9 3  TABLE 1

 The mode is 8. Find possible value of  x .A. 18 . 16!. 17 ". 1#

$. Table $ shows the poc%et mone& 'eceived b& $(students in a wee%

)oc%et mone& *+,- 1( 15 $( $53(

35

umbe' of/tudents

$ $ 6 5 # 1

 Table $alculate the mean amount of poc%et mone& 'eceived

b& a student.A. +, $$.5( . +, $$5.((!. +, #5.(( ". +, #5(.((

3. Table 3 shows the a0es of a 0'oup of wo'%e's in a fastfood 'estau'ant.A0e $( $# $8 3$ 36umbe' of o'%e's 1 3 5 # $

 Table 3Find the median a0e of the wo'%e's.A. $( . $8!. $# ". 3$

#. Table # shows the educational bac%0'ound of thepa'ent of some students in a seconda'& school.

Edu"#tio#$ %#"&'roud of P#ret!

Number Of Studet!

2neducated $)'ima'& 17

/econda'& 19

 Te'tia'& n

 Table #f the seconda'& education is the mode4 the possible

value of n  isA. 15 . $5!. $( ". 3(

5. Table 5 shows a su've& of a 0'oup of #( students

who we'e as%ed on the numbe' of boo%s the& had'ead du'in0 the last month.

umbe' of boo%s ( 1 $ 3 # 5umbe' of child'en 3 1$ 1# 6 3 $

 Table 5 The mean numbe' of boo%s'ead du'in0 the last month isA. 1 . 3!. $ ". #

6. Table 6 shows dail& wa0es of $( wo'%e's.

D#i$ #'e! (RM) Number of or&er!$( 7

3( ##( 35( #6( $

 Table 6 The median fo' the data above isA. +, 35 . +, 5(!. +, #( ". +, 6(

7. Table 7 shows the ma'%s of a 0'oup of students in aneamination.

,a'%s $( 3( #( 5(F'euenc& 5 11 1$ 7

 Table 7hat is the mean of the ma'%s obtained b& astudent A. 1( . 3#!. 11.5 ". 36

8. Table 8 shows the sco'es obtained b& 15 students inth'owin0 a dice.

/co'e 1 $ 3 # 5 6F'euenc& $ 3 5 3 1 1

 Table 8alculate the median sco'e.A. $ . #!. 3 ". 5

9. f the mode fo' the numbe's 34 $4 54 34 74 84  x 4 5 is 5

 Then  x   is A. 3 . 7!. 5 ". 8

1(. The 0u'e shows nine numbe's.

3, 7, 4, 5, 3, 2, 3, 6, 7

Find the di:e'ence between the mode and themedian.

A. ( . $!. 1 ". 3

11. ;iven that the mean of 64 k 4 k 4 1(4 5 and 11 is 1(4

  Find the value of k .A. 1$ . 1#!. 13 ". 15

1$. ;iven that the mean of $4 74 84 1( and  x   is 64

Find the value of  x  .A. 3 . 6!. 5 ". 9

13. The table 9 shows the ma'%s obtained in ,athematicuiz.

 Table 9;iven that 3 is the mode4 nd the

possible value of k.A. $ . 9!. # ". 1$

1#. The mean mass of $( pac%ets of su0a' is 3 %0.Anothe' pac%et of su0a' wei0ht 1( %0 in put to0ethe'with the $( pac%ets of su0a'. alculate the new meanmass4 in %0.A. 3.83 %0 . 3.#6 %0

,a'% 1 $ 3 # 5

F'euenc& 5 8 k  1( 7

8/20/2019 Mode Median Mean

2/2

!. 3.6$ %0 ". 3.33 %0

15. The median of 34 54 $4 14 8 isA. 8 . 3

!. 5 ". $

;ood luc%