STT 305 Test 1 Questions and Answers (100% Correct Answers) Already Graded A+

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STT 305 Test 1 Questions and Answers (100%
Correct Answers) Already Graded A+
How many observations and variables does the dataset below
contain?(table with 6 rows(1 with labels) and 4 columns)


a. 5 observations and 4 variables
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b. 4 observations and 5 variables


c. 6 observations and 4 variables
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d. 11 observations and 5 variables Ans: a. 5 observations and 4 variables


How many program steps are executed when the program below is
processed?


data admit;


set sasuser.admit;


run;


proc means data=admit;


var age fee;


run;

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proc contents data=admit; run;


proc means data=admit;


var fee;


class sex Actlevel;


run;
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a. 13


b.14
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c.5


d.6 Ans: c.5


What type of variable is the variable "Yours" in the data set below?


id Yours


101 6.2


103 6.0


109


110 5.9

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111 5.6


a. categorical


b.character


c.numeric


d.discrete Ans: b.character
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What type of variable is the variable "Yours" in the data set below?


id Yours
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101 Senior


103 Fresh


109


110 Junior


111 Junior


a. numeric


b.categorical


c.character