with reference to Mobile OS Usage mobile_os_usage.xls data set
answer following questions.
mobile usage project in sas
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Consider the data set(mobile_os_usage.xls
Read the data set and answer the following quiz?
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Question 1 of 6
how many no of observation in dataset ?
Question 2 of 6
how many no of variables?
Question 3 of 6
how many missing value in date variable?
Question 4 of 6
what is the mean of Percent_of_Usage SymbianOS?
Question 5 of 6
what is the mean of Percent_of_Usage BlackBerry OS?
Question 6 of 6
what is Std Dev of Percent_of_Usage Windows Phone?
very nice sas certification material and also very nicely taught by devendra dhir sir.
thanks for feedback.
questions standard are up to mark
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