STT 305 Test 1 Questions and Correct Answers

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STT 305 Test 1 Questions and Correct
Answers
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

b. 4 observations and 5 variables

c. 6 observations and 4 variables

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;

a. 13

b.14

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

111 5.6

a. categorical

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b.character

c.numeric

d.discrete Ans: b.character

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

id Yours

101 Senior

103 Fresh

109

110 Junior

111 Junior

a. numeric

b.categorical

c.character

d.string Ans: c.character

which of the following variable names is valid in SAS?

a.$bitcoin

b._9Bit4c

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