Posted: May 5th, 2018

UMS MTH105 FALL 2014 HOMEWORK ………

SPRING 2014

ASSIGNMENT 2 – SOLVE AND WRITE THE CORRECT ANSWERS FROM YOUR
COMPUTED VALUES IN THE BLANKS PROVIDED.

Half I.A. Select the right reply and write the
relevant letter inside the space provided. (.25 POINTS FOR EVERY CORRECT ANSWER)

______ 1. Which certainly one of many following measures of dispersion
does not divide a set of observations into equal elements?

a. quartiles b. deciles

c. percentiles d. customary deviations

______2. The interquartile fluctuate is the excellence between:

a. the second and third quartile. b. the second and fourth
quartile.

c. the first and third quartile. d. the first and remaining
quartile.

______3. A contingency desk :

a. can solely be used when there are two ranges of each
variable.

b. will be utilized to verify the connection between ordinal or
nominal diploma variables.

c. can solely be used with interval or ratio diploma variables.

d. is constructed from the quartiles of an data set..

_______4.A dot plot reveals the fluctuate of values alongside the:

a. vertical axis. b. ( x, y) diagonal axis.

c. median axis. d. horizontal axis.

______ 5. When displaying data with a dot plot, we:

a. do not lose the id of an individual data degree b.
are ready to current the fluctuate of the values.

c. are ready to see the type of the distribution. d. all of
these in a, b. c are proper.

______ 6. A scatter diagram is a graphic machine used to
portray:

a. the suggest of the knowledge values. b. the fluctuate of the knowledge
values.

c. the midpoint of data values. d. the connection between
variables.

______ 7. In a stem and leaf present:

a. the leaf is the principle digit or digits of the amount.

b. the stem is the principle digit or digits of the amount.

c. the stem or the leaf could possibly be the principle digit or digits
of the amount.

d. the stem is the trailing digit.

______ eight. The coefficient of skewness is a measure:

a. of the connection of the mode and median. b. based on
the suggest deviation.

c. of the symmetry of a distribution. d. based on the middle
50 % of the observations.

______9. A area plot is based on:

a. the suggest. b. percentiles.

c. deciles. d. the first and third quartile, the median, the
most and the minimal.

______ 10. The interquartile fluctuate is based on:

a. the median. b. the suggest deviation.

c. the sq. of the suggest deviation. d. the middle 50
% of the observations.

Half I.B. Resolve the subsequent devices and write the right
options on the areas provided. (.25 POINTS FOR EVERY CORRECT ANSWER)

____________ 11.5 kids have heights of 138 cm, 135
cm, 140 cm, 139 cmand 141 cm. What is the

fluctuate of their heights?

____________ 12.What is the fluctuate of the subsequent
numbers:19, 21, 18, 17, 18, 22, 46?

____________ 13. What is the median inside the following
numbers:19, 21, 18, 17, 18, 22, 46?

____________ 14.Waleed took 9 assessments in quite a few matters
and acquired scores of 68, 71, 71,84, 53, 71, 62, 67.

What was Walled’s mode score?

____________ 15. In a set of scores, the value 93 appeared
twice, better than another amount. What is the

mode score?

____________ 16. The temperature in ranges Celsius over 4
days in April was 28, 21,19 and 30. What was

the suggest temperature?

The weekly salaries of six employees at a restaurant are
$180, $220, $98, $180, $140, $200. For these six salaries, uncover:

_____________17. the median

_____________ 18. the mode

_____________19.A storeowner saved a tally of the sizes of
matches purchased in her retailer. Which measure of central tendency must the
storeowner use to clarify the standard measurement swimsuit provided?

_____________20.A tally was created from the number of events each
color of crayon was utilized by a kindergarten class. Which measure of central
tendency must the coach use to search out out which color is the favorite color
of her class?

_____________ 21.The science check out grades are posted. The
class did very correctly. All school college students taking the check out scored over 75.
Sadly, 4 school college students have been absent for the check out and the laptop listed
their scores as zero until the check out is taken. Assuming that no score repeated additional
events than the zero’s, what measure of central tendency would most undoubtedly give the
biggest illustration of this data?

A card is chosen at random from a deck of 52 collaborating in enjoying playing cards.

There are 4 Queens and 4 Kings in a deck of collaborating in
enjoying playing cards.Using these DATA, reply questions 18.

_____________22.What is the likelihood it is a Queen or a
King?

_____________23.There are 4 Queens and 4 Kings, so the
Number of strategies it can in all probability happen is__.
_____________24.There are 52 enjoying playing cards altogether, so the Full
number of outcomes is______

_____________25.The possibility the cardboard is each a Queen
or a King is___

DESCRIBE HOW A FREQUENCY DISTRIBUTION IS PREPARED:

__________________________________________________________________________________________________

__________________________________________________________________________________________________

Half II Current your complete work. Write the options inside the
areas provided.

76

74

71

78

80

67

80

82

67

88

72

78

85

76

84

82

83

80

72

82

77

79

86

89

69

70

82

86

78

77

1. The scores of a sample of 30 school college students in certainly one of many
matters of a positive Faculty are confirmed inside the desk.

Assemble a dot plot for the knowledge.

| | | | | | | | | | | | | | | | | | | | | | |

STEM

LEAF

5

6 eight

6

1 2 2 4 eight

7

zero 4 6 6

eight

zero 4 4 6 6 6 6 6

9

zero 2 6

10

zero

2. The following stem and leaf plot reveals the scores on a
present examination of students in Statistics.

2.a.

2.a.What variety of school college students took the check out?

2.b.

2.b. What have been one of the best and lowest scores?

2.c.

2.c. What variety of school college students scored 70 or bigger?

2.d.

2.d. What % of the students scored lower than 70?

15

17

23

26

27

35

72

88

91

98

102

three. The revenues of the very best eleven non-public laptop computer
producers are given (in hundred tons of of hundreds).

three.a. Q1

three.b. Q3

three.c. M

three.a. Compute the first quartile.

three.b. The third quartile.

three.c. Resolve the median.

three.d. Draw a area plot for the knowledge.

Check Price Discount

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