SACR 3080 - Mini Exam 4 questions with verified
answers graded A+ already passed
1. obtain a histogram for sal_now, hist(sal_now)
using the default number of hist(sal_now, breaks =
breaks, then a second histogram 6)
with a number of breaks of your
choosing.
2. obtain a barplot for language barplot(table(language))
3. obtain a mean, a 95% trimmed mean, 1 159 299
and a median for sal_now
4. obtain an inter-quartile range and a
stan- dard deviation for sal_begin
5. obtain a boxplot showing sal_now
as a function of jobcat
6. obtain the entropy measure of
dispersion for the variable
language
7. obtain the index of diversity for the
vari- able language
8. to obtain a simple table showing
minority by language
9. suppose you have the following
table: sex
01
minority
0 850 800
1/
3
answers graded A+ already passed
1. obtain a histogram for sal_now, hist(sal_now)
using the default number of hist(sal_now, breaks =
breaks, then a second histogram 6)
with a number of breaks of your
choosing.
2. obtain a barplot for language barplot(table(language))
3. obtain a mean, a 95% trimmed mean, 1 159 299
and a median for sal_now
4. obtain an inter-quartile range and a
stan- dard deviation for sal_begin
5. obtain a boxplot showing sal_now
as a function of jobcat
6. obtain the entropy measure of
dispersion for the variable
language
7. obtain the index of diversity for the
vari- able language
8. to obtain a simple table showing
minority by language
9. suppose you have the following
table: sex
01
minority
0 850 800
1/
3
