The FIFA World Cup was one of the biggest sporting events of 2018.
statistics
Description
Q6.17
The FIFA World Cup was one of the biggest
sporting events of 2018. The file [WC2018TeamAge]
contains average age of the players
(years, in 2018) of the 32 teams that qualified for the event.
Souce
data: elearning – WC2018TeamAge
Decide whether the teams’ mean ages
appear to be approximately normally distributed by
a. Comparing
data characteristics to theoretical properties.
b.Constructing a normal
probability plot.
Answer
template:
(a)
Excel output:
[attached
figure]
The mean is ……
The range is ……..
The interquartile range is …..
(b)
Normal probability plot
[attached
figure]
The normal probability plot indicates ……..
The kurtosis is …….
The skewness ……….
Q6.19
Thirty companies comprise the
DJIA. How big are these companies? One common method for measuring the size of
acompany is to use its market capitalization, which is computed by multiplying
the number of stock shares by the price of a share of stock. On March 7, 2018,
the market capitalization of these companies ranged from Traveler’s $38.4
billion to Apple’s $896.4 billion. The entire population of market
capitalization values is stored in DowMarketCap.
Source
data: elearning DowMarketCap
Decide
whether the market capitalization of companies in the DJIA appears to be
approximately normally distributed by
a. Comparing
data characteristics to theoretical properties
b.Constructing a normal
probability plot
c. Constructing
a histogram.
Answer
template:
(a)
SPSS output:
[attached
descriptive statistics]
[attached
boxplot]
(b)
[attached Q-Q plot]
[attached histogram]
Conclude:
The mean is ……
The range is ……..
The interquartile range is …..
The Q-Q plot indicates ……..
The boxplot …..
The kurtosis is …….
TThe skewness ……….
