Christmas is around the corner and people are rushing to purchase gifts. About 12 random customers reported how much they spent (in R) on gifts at a certain store in preparation for the 25 December celebration. The data are as follows: 191 189 181 102 125 160 143 159 100 103 82 89 where the third and fourth sample moments are M3 = 6982.407 and M. = 3294249. a. 32% of the customers spent at least Answer b. 22% of the customers spent at most Su c. The unbiased sample standard deviation is d. Calculate the standardised measure of kurtosis e. (option a) : The data is platykurkic.(option b) : The data is leptokurtic. (option c) : The data is mesokurtic.

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Christmas is around the corner and people are rushing to purchase gifts. About 12 random customers reported how much they spent (in R) on gifts at a certain store in
preparation for the 25 December celebration. The data are as follows:
191
189
181
102
125
160
143
159
100
103
82
89
where the third and fourth sample moments are Ma = 6982.407 and M. = 3294249.
a. 32% of the customers spent at least Answer
b. 22% of the customers spent at most
Su
c. The unbiased sample standard deviation is
d. Calculate the standardised measure of kurtosis
e. (option a) : The data is platykurkic.(option b) : The data is leptokurtic. (option c) : The data is mesokurtic.
Transcribed Image Text:Christmas is around the corner and people are rushing to purchase gifts. About 12 random customers reported how much they spent (in R) on gifts at a certain store in preparation for the 25 December celebration. The data are as follows: 191 189 181 102 125 160 143 159 100 103 82 89 where the third and fourth sample moments are Ma = 6982.407 and M. = 3294249. a. 32% of the customers spent at least Answer b. 22% of the customers spent at most Su c. The unbiased sample standard deviation is d. Calculate the standardised measure of kurtosis e. (option a) : The data is platykurkic.(option b) : The data is leptokurtic. (option c) : The data is mesokurtic.
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