A
painting of Willem de Kooning
Midterm
Part 5 – questions 10  15, include its answer (total questions
are 16)
Use
this information for the next six questions:
category
< c('a', 'g', 'd', 'a', 'd', 'g', 'g', 'd')
speed
< c(60, 83.3, 71, 64.4, 75, 90, 87, 73)
10)
The data type of the category object is:
Select
one:
a.
numeric
b.
factor …>Correct
c.
complex
d.
mixed
11)
The data type of the speed object is:
Select
one:
a.
numeric …>Correct
b.
factor
c.
complex
d.
mixed
Another
painting of Willem
de Kooning
12)
What is the mean of the category object?
Select
one:
a.
'a'
b.
'd'
c.
'g'
d.
between 'd' and 'g'
e.
none of the above …>Correct
13)
What is the mean of speed (rounded to 1 decimal place)?
Select
one:
a.
75.5…> Correct
b.
90.0
c.
60.0
d.
74.0
>
speed < c(60, 83.3, 71, 64.4, 75, 90, 87, 73)
>
mean (speed)
Result:
[1]
75.4625
Willem
de Kooning’s painting
14)
What is the sample standard deviation of the speed data (rounded to
1 decimal place)?
Select
one:
a.
113.4
b.
74.5
c.
10.6 …>Correct
d.
90.0
>
sd(speed)
Result:
[1]
10.64719
15)
What is the minimum value of the speed data:
Select
one:
a.
15.1
b.
60.0 …>Correct
c.
74.0
d.
14.9
e.
30.0
>
min(speed)
Result:
[1]
60
#
To be continued to part 6
Interesting quiz :)
ReplyDeleteThank you to visit:
DeleteMATH 1280 Introduction to Statistics – Midterm Exam – part 5

A painting of Willem de Kooning
Midterm Part 5 – questions 10  15, include its answer (total questions are 16)
Use this information for the next six questions:
category < c('a', 'g', 'd', 'a', 'd', 'g', 'g', 'd')
speed < c(60, 83.3, 71, 64.4, 75, 90, 87, 73)
MATH 1280 Introduction to Statistics – Midterm Exam – part 5
Delete
15) What is the minimum value of the speed data:
Select one:
a. 15.1
b. 60.0 …>Correct
c. 74.0
d. 14.9
e. 30.0
> min(speed)
Result:
[1] 60
Looks interesting!
ReplyDeleteThank you to visit:
DeleteMATH 1280 Introduction to Statistics – Midterm Exam – part 5

10) The data type of the category object is:
Select one:
a. numeric
b. factor …>Correct
c. complex
d. mixed
I think I failed.
ReplyDeleteThank you to visit:
DeleteMATH 1280 Introduction to Statistics – Midterm Exam – part 5

11) The data type of the speed object is:
Select one:
a. numeric …>Correct
b. factor
c. complex
d. mixed
MATH 1280 Introduction to Statistics – Midterm Exam – part 5
DeleteGreat!!!
ReplyDeleteThank you to visit:
DeleteMATH 1280 Introduction to Statistics – Midterm Exam – part 5

12) What is the mean of the category object?
Select one:
a. 'a'
b. 'd'
c. 'g'
d. between 'd' and 'g'
e. none of the above …>Correct
Those paintings are so great☺
ReplyDeleteThank you to visit:
DeleteMATH 1280 Introduction to Statistics – Midterm Exam – part 5

13) What is the mean of speed (rounded to 1 decimal place)?
Select one:
a. 75.5…> Correct
b. 90.0
c. 60.0
d. 74.0
> speed < c(60, 83.3, 71, 64.4, 75, 90, 87, 73)
> mean (speed)
Result:
[1] 75.4625
I like maths but I must admit that I dont't like Statistics. ;)
ReplyDeleteBest regards
Thank you to visit:
DeleteMATH 1280 Introduction to Statistics – Midterm Exam – part 5

14) What is the sample standard deviation of the speed data (rounded to 1 decimal place)?
Select one:
a. 113.4
b. 74.5
c. 10.6 …>Correct
d. 90.0
> sd(speed)
Result:
[1] 10.64719
It's all a mystery for me but it sounds interesting. I am not good at math and I am always lost in statistics. But I was fascinated by paintings and love them very much!
ReplyDeleteI see.....
DeleteThank you to visit:
MATH 1280 Introduction to Statistics – Midterm Exam – part 5

15) What is the minimum value of the speed data:
Select one:
a. 15.1
b. 60.0 …>Correct
c. 74.0
d. 14.9
e. 30.0
> min(speed)
Result:
[1] 60
nice painting
ReplyDeleteThank you to visit:
DeleteMATH 1280 Introduction to Statistics – Midterm Exam – part 5

Use this information for the next six questions:
category < c('a', 'g', 'd', 'a', 'd', 'g', 'g', 'd')
speed < c(60, 83.3, 71, 64.4, 75, 90, 87, 73)
I was not that good at Maths myself but my daughter was!
ReplyDeleteThank you to visit:
DeleteMATH 1280 Introduction to Statistics – Midterm Exam – part 5

10) The data type of the category object is:
Select one:
a. numeric
b. factor …>Correct
c. complex
d. mixed
Se ven estupendos estos trabajos ! Espero tu opinión en mi última selección de vestidos ! Espero que te gusten ! Feliz día ! ♡♡♡
ReplyDeleteThank you to visit:
DeleteMATH 1280 Introduction to Statistics – Midterm Exam – part 5

11) The data type of the speed object is:
Select one:
a. numeric …>Correct
b. factor
c. complex
d. mixed
Hello beautiful, a great post, I found it super interesting. Would you like us to follow each other? let me know. a hug
ReplyDeleteThank you to visit:
DeleteMATH 1280 Introduction to Statistics – Midterm Exam – part 5

12) What is the mean of the category object?
Select one:
a. 'a'
b. 'd'
c. 'g'
d. between 'd' and 'g'
e. none of the above …>Correct
MATH 1280 Introduction to Statistics – Midterm Exam – part 5
DeleteInteresring, waiting for the next part
ReplyDeleteThank you to visit:
DeleteMATH 1280 Introduction to Statistics – Midterm Exam – part 5

13) What is the mean of speed (rounded to 1 decimal place)?
Select one:
a. 75.5…> Correct
b. 90.0
c. 60.0
d. 74.0
> speed < c(60, 83.3, 71, 64.4, 75, 90, 87, 73)
> mean (speed)
Result:
[1] 75.4625
I also failed, but I like the de Kooning paintings!
ReplyDeleteThank you to visit:
DeleteMATH 1280 Introduction to Statistics – Midterm Exam – part 5

14) What is the sample standard deviation of the speed data (rounded to 1 decimal place)?
Select one:
a. 113.
b. 74.
c. 10.6 …>Correct
d. 90.0
> sd(speed)
Result:
[1] 10.64719